Sunday, 3 November 2013

Phytochemicals in Foods - 7 Health Benefits of Phytoene

Phytoene is a phytochemincal in the class of Carotenes, belonging to the group of Carotenoids (tetraterpenoids), found abundantly in sweet potato, orange, etc.

Health Benefits
1. Prostate cancerIn the examination within the context of a whole food with Male Copenhagen rats fed diets containing 10% standard tomato powder, tomato enriched with lycopene or total carotenoids, standard broccoli floret, broccoli sprouts, or broccoli enriched with indole glucosinolates or selenium for 7 days, found that standard broccoli and lycopene-enriched tomato diets down-regulated prostatic glutathione S-transferase P1 mRNA expression. Different tomato diets resulted in altered hepatic accumulation of lycopene, phytofluene, and phytoene. These results demonstrate that the bioactive content of vegetables affects both tissue content of bioactives and activity of detoxification enzymes. Enhancing bioactive content of tomatoes and broccoli may enhance efficacy in the prevention of prostate cancer, according to "Feeding tomato and broccoli powders enriched with bioactives improves bioactivity markers in rats" by Liu AG, Volker SE, Jeffery EH, Erdman JW Jr.(1)

2. Macular degeneration
In the investigation of the protective effect has been attributed to carotenoids, which are one of the major classes of phytochemicals ( lycopene, followed by phytoene, phytofluene, zeta-carotene, gamma-carotene, beta-carotene, neurosporene, and lutein) in tomato, found that the possible role of lycopene and other dietary carotenoids in the prevention of age-related macular degeneration and other eye diseases is discussed, according to "Chemistry, distribution, and metabolism of tomato carotenoids and their impact on human health" by
Khachik F, Carvalho L, Bernstein PS, Muir GJ, Zhao DY, Katz NB.(2)

3. Antioxidants
In the verification of verify whether the daily intake of a beverage prototype called Lyc-o-Mato((R)) containing a natural tomato extract (Lyc-o-Mato((R)) oleoresin 6 %) was able to modify plasma and lymphocyte carotenoid concentrations, particularly those of lycopene, phytoene, phytofluene and beta-carotene, and to evaluate whether this intake was sufficient to improve protection against DNA damage in lymphocytes, found that the intake of the tomato drink significantly reduced (by about 42 %) DNA damage (P<0.0001) in lymphocytes subjected to oxidative stress. In conclusion, the present study supports the fact that a low intake of carotenoids from tomato products improves cell antioxidant protection, according to "Daily intake of a formulated tomato drink affects carotenoid plasma and lymphocyte concentrations and improves cellular antioxidant protection" by Porrini M, Riso P, Brusamolino A, Berti C, Guarnieri S, Visioli F.(3)

4. Low density lipoprotein (LDL) oxidation
In the investigation of the effect of carotenoids, isolated from the alga Dunaliella bardawil, in a biological system and used the in vitro low density lipoprotein (LDL) oxidation method,
found that similar to beta-carotene and alpha-tocopherol, a carotenoid algal preparation containing phytoene and phytofluene inhibited LDL oxidation. These findings and the presence of phytoene and phytofluene in human tissues suggest that they can be part of the defense system against oxidative stress, according to "A carotenoid algal preparation containing phytoene and phytofluene inhibited LDL oxidation in vitro" by Shaish A, Harari A, Kamari Y, Soudant E, Harats D, Ben-Amotz A.(4)

5. Inflammation, immunomodulation, and oxidative stress
In the investigation of 26 healthy young volunteers. In a placebo-controlled, double-blind, crossover study, Lyc-o-Mato (5.7 mg of lycopene, 3.7 mg of phytoene, 2.7 mg of phytofluene, 1 mg of beta-carotene, and 1.8 mg of alpha-tocopherol) or a placebo drink (same taste and flavor, but devoid of active compounds) were given for 26 days, separated by a wash-out period, found that TNF-alpha production by whole blood was 34.4% lower after 26 days of drink consumption, whereas the other parameters were not significantly modified by the treatment. In turn, modest effects of the regular intake of a tomato drink, providing small amounts of carotenoids, were found on the production of inflammatory mediators, such as TNF-alpha, in young healthy volunteers. Future intervention trials in subjects with low carotenoid status and/or compromised immune system will resolve the issue of whether carotenoids modulate immune parameters in humans, according to " Effect of a tomato-based drink on markers of inflammation, immunomodulation, and oxidative stress" by Riso P, Visioli F, Grande S, Guarnieri S, Gardana C, Simonetti P, Porrini M.(5)

6. Anti cancers
In the examination of whether carotenoids inhibit signaling of steroidal estrogen and phytoestrogen which could explain their cancer preventive activity, found that beach of the tested carotenoids (lycopene, phytoene, phytofluene, and beta-carotene) inhibited cancer cell proliferation induced by either E(2) or genistein. The inhibition of cell growth by lycopene was accompanied by slow down of cell-cycle progression from G1 to S phase. Moreover, the carotenoids inhibited estrogen-induced transactivation of ERE that was mediated by both estrogen receptors (ERs) ERalpha and ERbeta. The possibility that this inhibition results from competition of carotenoid-activated transcription systems on a limited pool of shared coactivators with the ERE transcription system was tested. Although cotransfection of breast and endometrial cancer cells with four different coactivators (SRC-1, SRC-2, SRC-3, and DRIP) strongly stimulated ERE reporter gene activity, it did not oppose the inhibitory effect of carotenoids, according to "Lycopene and other carotenoids inhibit estrogenic activity of 17beta-estradiol and genistein in cancer cells" by Hirsch K, Atzmon A, Danilenko M, Levy J, Sharoni Y.(6)

7. Anti-inflammatory effects
In the investigation of the effects of CoQ10 and colorless carotenoids (phytoene and phytofluene, or to combinations of these antioxidants) on the production of inflammatory mediators in human dermal fibroblasts treated with UV radiation (UVR) and the possible synergistic effects of these two antioxidants, found that CoQ10 is able to suppress the UVR- or IL-1-induced inflammatory response in dermal fibroblasts. Furthermore, this compound can block the UVR induction of the matrix-eroding enzyme, MMP-1. Finally, the combination of carotenoids plus CoQ10 results in enhanced suppression of inflammation. The results suggest that the combination of carotenoids and CoQ10 in topical skin care products may provide enhanced protection from inflammation and premature aging caused by sun exposure, according to "Anti-inflammatory effects of CoQ10 and colorless carotenoids" by Fuller B, Smith D, Howerton A, Kern D.(7)

8. Etc.

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Sources
(1) ) http://www.ncbi.nlm.nih.gov/pubmed/19650632
(2) http://www.ncbi.nlm.nih.gov/pubmed/12424324
(3) http://www.ncbi.nlm.nih.gov/pubmed/15705230
(4) http://www.ncbi.nlm.nih.gov/pubmed/17173569
(5) http://www.ncbi.nlm.nih.gov/pubmed/16569044
(6) http://www.ncbi.nlm.nih.gov/pubmed/16569044
(7) http://www.ncbi.nlm.nih.gov/pubmed/17173569

Phytochemicals in Foods - 9 Health Benefits of Gallic acid

Gallic acid is a phytochemical in the class of Phenolic acids, found abundantly in tea, mango, strawberries, rhubarb, soy, etc.

Health Benefits
1. Cytotoxic and antioxidative activities
In the investigation of the bioactivity guided isolation and characterization of phytoconstituents, indicated the extract showed strong radical scavenging effects against DPPH, nitric oxide (NO) and superoxide (SO) radicals comparable to that of known antioxidants 3-t-butyl-4-hydroxyanisole, ascorbic acid (vitamin C), and quercetin in addition to its cytotoxic activities against HEP-2 (human larynx epidermoid carcinoma) and RD (human rhabdomyosarcoma) cell lines based on MTT assay for growth inhibition. The gallic acid equivalent total phenolic content of the plant was found to be 79.94mg/g dry extract. Phenylethanoid glycosides, verbascoside and calceorioside A were isolated from the most active fraction and both compounds showed strong radical scavenging activity against tested radicals and cytotoxicity against HEP-2, RD and MCF-7 (human breast adenocarcinoma) cell line, according to "Cytotoxic and antioxidative activities of Plantago lagopus L. and characterization of its bioactive compounds" by Sebnem Harput U, Genc Y, Saracoglu I.(1)

2. Breast cancer
In the analyzing
the Sanguisorba officinalis L. (SA) effects on human breast cancer utilizing in vitro and in vivo methodologies, found that SA inhibited proliferation, induced S phase arrest and triggered mitochondrial pathway apoptosis in both cancer cells. Angiogenesis experiments revealed that SA inhibited VEGF expression in both cancer cell lines. Meanwhile, the proliferation, tube formation and migration abilities of endothelial cells were also inhibited. In vivo experiments demonstrated that SA reduced tumor size and neoangiogenesis in both cancer xenografts. Gallic acid and ellagic acid were finally identified as bioactive compounds in SA, according to "Effect of Sanguisorba officinalis L on breast cancer growth and angiogenesis" by Wang Z, Loo WT, Wang N, Chow LW, Wang D, Han F, Zheng X, Chen JP.(2)

3. Anti-leukemic effects
In the investigation of the apoptotic activity induced by GA on chronic myeloid leukemia (CML) cell line-K562 and the underlying mechanism, found that GA inhibited BCR/ABL tyrosine kinase and NF-κB. In conclusion, GA induced apoptosis in K562 cells involves death receptor and mitochondrial-mediated pathways by inhibiting BCR/ABL kinase, NF-κB activity and COX-2, according to "Anti-leukemic effects of gallic acid on human leukemia K562 cells: Downregulation of COX-2, inhibition of BCR/ABL kinase and NF-κB inactivation" by
Chandramohan Reddy T, Bharat Reddy D, Aparna A, Arunasree KM, Gupta G, Achari C, Reddy GV, Lakshmipathi V, Subramanyam A, Reddanna P.(3)

4. Antioxidants
In the evaluation of the antioxidant, anti-inflammatory, and antiproliferative activities of organic fractions from Cystoseira sedoides (Desfontaines) C. Agardh, indicated that the F-CHCl(3) and F-AcOEt fractions showed significant total phenolic content at 55.09 and 61.30 mg gallic-acid equivalent/g dried sample, respectively. Using the DPPH method, the F-CHCl(3) and the F-AcOEt fractions exhibited the strongest radical scavenging activity, with IC(50) 120 µg/mL for F-CHCl(3) and 121 µg/mL for F-AcOEt, which approaches the activity of the powerful antioxidant standard, Trolox (IC(50) = 90 µg/mL), according to "Antioxidant, anti-inflammatory, and antiproliferative activities of organic fractions from the Mediterranean brown seaweed Cystoseira sedoides" by Mhadhebi L, Laroche-Clary A, Robert J, Bouraoui A.(4)

5. Anti cancers
In the identification of gallic acid (GA) as a major bioactive cytotoxic constituent of a polyherbal Ayurvedic formulation - triphala (TPL) on (AR)(+) LNCaP prostate cancer and normal epithelial cells, found that TPL contains 40% unidentified polyphenolic acids, of which 2.4% comprised GA. GA induced severe morphological alterations and was about 3-fold more cytotoxic towards cancer cells than TPL. This activity increased further in the presence of dihydrotestosterone. GA toxicity on normal cells was low at 72 h. Combination of GA with flutamide caused higher toxicity to cancer cells than either of the compounds alone, according to "Differential cytotoxicity of triphala and its phenolic constituent gallic acid on human prostate cancer LNCap and normal cells" by Russell LH Jr, Mazzio E, Badisa RB, Zhu ZP, Agharahimi M, Millington DJ, Goodman CB.(5)

6. Leukemia
In the investigation of the apoptotic effects induced by GA in human promyelocytic leukemia HL-60 cells, and clarify the underlying mechanism, found that GA-mediated apoptosis of HL-60 cells mainly depended on up-regulation of the mRNA of caspase-8, caspase-9, caspase-3, AIF and Endo G. In conclusion, GA-induced apoptosis occurs through the death receptor and mitochondria-mediated pathways, according to "Gallic acid induces G₀/G₁ phase arrest and apoptosis in human leukemia HL-60 cells through inhibiting cyclin D and E, and activating mitochondria-dependent pathway" by Yeh RD, Chen JC, Lai TY, Yang JS, Yu CS, Chiang JH, Lu CC, Yang ST, Yu CC, Chang SJ, Lin HY, Chung JG(6)

7. Colon cancer
found that
In vivo, GT (25 mg/kg body weight) injected intraperitoneally (i.p.) prior to or after tumor inoculation significantly decreased the volume of human colon cancer xenografts in NOD/SCID mice. GT-treated xenografts showed significantly lower microvessel density (CD31) as well as lower mRNA expression levels of IL-6, TNF-α and IL-1α and of the proliferation (Ki-67) and angiogenesis (VEGFA) proteins, which may explain GTs in vivo anti-tumorigenic effects, according to "Gallotannin inhibits NFĸB signaling and growth of human colon cancer xenografts" by Al-Halabi R, Bou Chedid M, Abou Merhi R, El-Hajj H, Zahr H, Schneider-Stock R, Bazarbachi A, Gali-Muhtasib H.(7)

8. Anti-neoplastic effects
In the investigation of the effects of TS on various human oral squamous carcinoma cell lines (HOSCC), including UM1, UM2, SCC-4, and SCC-9, found that FACScan analysis revealed that the leaf extract induced apoptosis or a combination of apoptosis and necrosis, depending on cell type. Microarray and semi-quantitative RT-PCR analysis for apoptotic-related gene expression revealed that 3,4,5-trihydroxybenzoic acid (gallic acid, one of the major bioactive compounds purified from TS extract) up-regulated pro-apoptotic genes such TNF-α, TP53BP2, and GADD45A, and down-regulated the anti-apoptotic genes Survivin and cIAP1, resulting in cell death. This study suggests that gallic acid, the major bioactive compound present, is responsible for the anti-neoplastic effect of Toona sinensis leaf extract, according to "Anti-neoplastic effects of gallic acid, a major component of Toona sinensis leaf extract, on oral squamous carcinoma cells" by Chia YC, Rajbanshi R, Calhoun C, Chiu RH.(8)

9. Anti cancers, anti inflammatory and anti diabetic effects
In the review of 1, 2, 3, 4, 6-penta-O-galloyl-beta-D-glucose (PGG) is a polyphenolic compound highly enriched in a number of medicinal herbals, indicated that Chemically and functionally, PGG appears to be distinct from its constituent gallic acid or tea polyphenols. For anti-cancer activity, three published in vivo preclinical cancer model studies with PGG support promising efficacy to selectively inhibit malignancy without host toxicity. Potential mechanisms include anti-angiogenesis; anti-proliferative actions through inhibition of DNA replicative synthesis, S-phase arrest, and G(1) arrest; induction of apoptosis; anti-inflammation; and anti-oxidation. Putative molecular targets include p53, Stat3, Cox-2, VEGFR1, AP-1, SP-1, Nrf-2, and MMP-9. For anti-diabetic activity, PGG and analogues appear to improve glucose uptake, according to "Anti-cancer, anti-diabetic and other pharmacologic and biological activities of penta-galloyl-glucose" by Zhang J, Li L, Kim SH, Hagerman AE, Lü J(9)

10. Etc.


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Sources
(1) http://www.ncbi.nlm.nih.gov/pubmed/22289578
(2) http://www.ncbi.nlm.nih.gov/pubmed/22316502
(3) http://www.ncbi.nlm.nih.gov/pubmed/22245431
(4) http://www.ncbi.nlm.nih.gov/pubmed/22115493
(5) http://www.ncbi.nlm.nih.gov/pubmed/22110195
(6) http://www.ncbi.nlm.nih.gov/pubmed/21868525
(7) http://www.ncbi.nlm.nih.gov/pubmed/21532339
(8) http://www.ncbi.nlm.nih.gov/pubmed/21081858
(9) http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2822717/

Phytochemicals in Foods - 10 Health Benefits of Silymarin

Silymarin is a phytochemical in the class of phenolic acids, found abundantly in peppermint, licorice, peanut, wheat, etc.

Health Benefits
1. Anti toxic effects
In the investigation of the effect of silymarin on doxorubicin-induced toxicity to the rat kidney, heart, and liver, found that the silymarin group received silymarin (100mg/kg) every other day. In the doxorubicin + silymarin group, silymarin was injected ip at 100 mg/kg dose for 5 days before doxorubicin administration (10 mg/kg, single ip injection) and then continued daily thereafter until euthanization, Doxorubicin caused a significant increase in serum NO levels compared to controls. Silymarin pretreatment group lowered these. Histopathological and electron microscopic examinations of kidney, heart, and liver sections showed doxorubicin to cause myocardial and renal injury which was levv evident in silymarin treated rats, according to "Protective Effects of Silymarin against Doxorubicin-induced Toxicity"by Cecen E, Dost T, Culhaci N, Karul A, Ergur B, Birincioglu M.(1)

2. Hepaprotective effects
In the investigation of the role of curcumin (CUR), silymarin (SILY) and N-acetylcysteine (N-ACET) on hepatotoxicity by ATT drugs using an in vitro model of human hepatocellular carcinoma cell line (HepG2), found that that the presence of hepatoprotective drugs during treatment of HepG2 cells with ATT drugs lowers the hepatotoxic effect of the latter, according to "Protective effect of curcumin, silymarin and N-acetylcysteine on antitubercular drug-induced hepatotoxicity assessed in an in vitro model' by Singh M, Sasi P, Gupta VH, Rai G, Amarapurkar DN, Wangikar PP.(2)

3. Anti Cervical cancer
In the evaluation of the potential action of silymarin against cervical cancer and its mechanism of action, found that Silymarin induced apoptosis through the modulation of Bcl-2 family proteins and activation of caspase 3. Silymarin also inhibited the phosphorylation of Akt with an increase in expression of phosphatase and tensin homolog (PTEN). We also observed that silymarin suppressed C-33A cell invasion and wound-healing migration in a concentration-dependent manner. Western-blot analysis showed that silymarin significantly inhibited the expression of matrix metalloproteinase-9 (MMP-9) in C-33A cells, according to "Silymarin Inhibits Cervical Cancer Cell Through an Increase of Phosphatase and Tensin Homolog" by Yu HC, Chen LJ, Cheng KC, Li YX, Yeh CH, Cheng JT.(3)

4. Anti cancers
In the review of the summarization of the recent investigations and mechanistic studies regarding possible molecular targets of silymarin for cancer prevention, found that the protective effects of silymarin and its major active constituent, silibinin, studied in various tissues, suggest a clinical application in cancer patients as an adjunct to established therapies, to prevent or reduce chemotherapy as well as radiotherapy-induced toxicity. This review focuses on the chemistry and analogues of silymarin, multiple possible molecular mechanisms, in vitro as well as in vivo anti-cancer activities, and studies on human clinical trials, according to "Multitargeted therapy of cancer by silymarin" by Ramasamy K, Agarwal R.(4)

5. Prostate cancer
In the investigation of the stidy of three rat PCA cell lines, namely H-7, I-8, and I-26, were treated with silibinin or silymarin, a crude silibinin-containing preparation, at various doses for varying lengths of time. Cell growth and viability studies were carried out by using hemocytometer and Trypan blue dye exclusion methods, found that silibinin as well as silymarin induce growth inhibition and apoptosis in rat PCA cells. These results form a strong rationale for PCA prevention and therapeutic intervention studies with silibinin and silymarin in animal models, such as the MNU-testosterone rat PCA model, to establish their efficacy and to further define their mechanisms of action under in vivo conditions, according to "Antiproliferative and apoptotic effects of silibinin in rat prostate cancer cells" by Tyagi A, Bhatia N, Condon MS, Bosland MC, Agarwal C, Agarwal R.(5)

6. Liver cancer
In the assessment of the mechanisms involved in the growth inhibitory effect of silymarin, in humanhepatocellular carcinoma, found that Silymarin inhibited population growth of the hepatocellular carcinoma cells in a dose-dependent manner, and the percentage of apoptotic cells was increased after treatment with 50 and 75 microg/ml silymarin for 24 h. Silymarin treatment increased the proportion of cells with reduced DNA content (sub-G(0)/G(1) or A(0) peak), indicative of apoptosis with loss of cells in the G(1) phase. Silymarin also decreased mitochondrial transmembrane potential of the cells, thereby increasing levels of cytosolic cytochrome c while up-regulating expression of pro-apoptotic proteins (such as p53, Bax, APAF-1 and caspase-3) with concomitant decrease in anti-apoptotic proteins (Bcl-2 and survivin) and proliferation-associated proteins (beta-catenin, cyclin D1, c-Myc and PCNA), according to "Silymarin inhibited proliferation and induced apoptosis in hepatic cancer cells" by Ramakrishnan G, Lo Muzio L, Elinos-Báez CM, Jagan S, Augustine TA, Kamaraj S, Anandakumar P, Devaki T.(6)

7. Bladder cancer
In the searching the underlying mechanisms and examining the intravesical efficacy of silibinin, a natural flavonoid in the prevention and treatment of bladder cancer. Human bladder carcinoma cell line 5637, which has the same molecular features of high-risk superficial bladder cancer, was used as the model system in vitro and in vivo, found that oral silibinin suppressed the growth of 5637 xenografts, which was accompanied with the activation of caspase-3, downregulation of survivin, and increased translocation of AIF. Furthermore, intravesical silibinin effectively inhibited the carcinogenesis and progression of bladder cancer in rats initiated by MNU by reducing the incidence of superficial and invasive bladder lesions without any side effects, which was accompanied with proapoptotic effects, according to "Chemopreventive and chemotherapeutic effects of intravesical silibinin against bladder cancer by acting on mitochondria" by Zeng J, Sun Y, Wu K, Li L, Zhang G, Yang Z, Wang Z, Zhang D, Xue Y, Chen Y, Zhu G, Wang X, He D.(7)

8. Antioxidants and anti cancers
In the study of the effect of three natural antioxidants curcumin, silymarin and acteoside on AP9-cd (standardized lignan composition from Cedrus deodara) induced cytotoxicity in human leukemia HL-60 cells, found that out of the three antioxidants, curcumin was found to be more potent than acteoside and silymarin in terms of enhancing the apoptotic potential of AP9-cd. These results propose an important role of natural antioxidant as adjuvant to enhance the anticancer potential of AP9-cd and more likely other anti-neoplastic therapeutics, according to "Natural antioxidants synergistically enhance the anticancer potential of AP9-cd, a novel lignan composition from Cedrus deodara in human leukemia HL-60 cells" by Saxena A, Saxena AK, Singh J, Bhushan S.(8)

9. Antimetastatic effects
In the investigation of Silibinin, a popular dietary supplement isolated from milk thistle seed extracts against a variety of cancers, found that detailed mechanistic analyses revealed that silibinin targets signaling molecules involved in the regulation of epithelial-to-mesenchymal transition, proteases activation, adhesion, motility, invasiveness as well as the supportive tumor-microenvironment components, thereby inhibiting metastasis. Overall, the long history of human use, remarkable nontoxicity, and preclinical efficacy strongly favor the clinical use of silibinin against advanced metastatic cancers, according to "Antimetastatic efficacy of silibinin: molecular mechanisms and therapeutic potential against cancer" by Deep G, Agarwal R.(9)

10. Gastric cancer
In the determination of the effect of silibinin on TNF-alpha-induced MMP-9 expression in gastric cancer cell lines. MMP-9 mRNA and protein expression was dose-dependently increased by TNF-alpha in SNU216 and SNU668 gastric cancer cells, found that the expression of MMP-9 was significantly increased by CA-MEK overexpression, but not by CA-Akt overexpression. Taken together, we suggest that silibinin down-regulates TNF-alpha- induced MMP-9 expression through inhibition of the MEK/ERK pathway in gastric cancer cells, according to "Silibinin suppresses TNF-alpha-induced MMP-9 expression in gastric cancer cells through inhibition of the MAPK pathway" by Kim S, Choi MG, Lee HS, Lee SK, Kim SH, Kim WW, Hur SM, Kim JH, Choe JH, Nam SJ, Yang JH, Kim S, Lee JE, Kim JS.(10)

11. Etc.

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Use The Revolutionary Findings To Achieve 
Optimal Health And Loose Weight

Super foods Library, Eat Yourself Healthy With The Best of the Best Nature Has to Offer

Back to Popular Herbs http://kylejnorton.blogspot.ca/p/popular-herbs.html
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Sources
(1) http://www.ncbi.nlm.nih.gov/pubmed/22320977
(2) http://www.ncbi.nlm.nih.gov/pubmed/22318308
(3) http://www.ncbi.nlm.nih.gov/pubmed/22016029
(4) http://www.ncbi.nlm.nih.gov/pubmed/18472213
(5) http://www.ncbi.nlm.nih.gov/pubmed/12386921
(6) http://www.ncbi.nlm.nih.gov/pubmed/19317806
(7) http://www.ncbi.nlm.nih.gov/pubmed/21220495
(8) http://www.ncbi.nlm.nih.gov/pubmed/20932957
(9) http://www.ncbi.nlm.nih.gov/pubmed/20714788
(10) http://www.ncbi.nlm.nih.gov/pubmed/19924065

Phytochemicals in Foods - 9 Health Benefits of Coumarin

Coumarin is a phytochemical in the class of Lignans (phytoestrogens), belonging to the flavonoid in Flavonoids (polyphenols), found abundantly in citrus fruits, maize, etc.

Health Benefits
1. Anti tumors
In the investigation of the amphiphilic 7-carboxymethoxy coumarin monoend-functionalized methoxy poly(ethylene glycol) (mPEG-Lys-DCOU) chains and its self-assembled micelles, anti-tumor drug, found that both in vitro and in vivo studies demonstrated that the inhibition efficacy of drug-loaded micelles were comparable to that of doxorubicin hydrochloride. mPEG-Lys-DCOU micelles are promising carriers for anti-tumor drug delivery, according to "A novel micelle of coumarin derivative monoend-functionalized PEG for anti-tumor drug delivery: in vitro and in vivo study" by Lai Y, Long Y, Lei Y, Deng X, He B, Sheng M, Li M, Gu Z.(1)

2. Gastric cancer
In the investigation of
an anti-mitotic potential of the novel synthetic coumarin-based compound, 7-diethylamino-3(2'-benzoxazolyl)-coumarin, in 5-fluorouracil-resistant human gastric cancer cell line SNU-620-5FU and its parental cell SNU-620, found that this compound enhances caspase-dependent apoptotic cell death via decreased expression of anti-apoptotic genes. Taken together, our data strongly support anti-mitotic potential of 7-diethylamino-3(2'-benzoxazolyl)-coumarin against drug-resistant cancer cells which will prompt us to further develop as a novel microtubule inhibitor for drug-resistant cancer chemotherapy, according to "Anti-mitotic potential of 7-diethylamino-3(2'-benzoxazolyl)-coumarin in 5-fluorouracil-resistant human gastric cancer cell line SNU620/5-FU' by Kim NH, Kim SN, Oh JS, Lee S, Kim YK.(2)

3. Anti cancers
In the identification of a novel coumarin analogue with the highest anticancer activity and further to its anticancer mechanisms, found that The compound had a broad spectrum of anticancer activity against 9 cancer cell lines derived from colon cancer, breast cancer, liver cancer, cervical cancer, leukemia, epidermoid cancer with IC(50) value of 75 nmol/L-1.57 μmol/L but with low cytotocitity against WI-38 human lung fibroblasts (IC(50) value of 12.128 μmol/L). The compound (0.04-10 μmol/L) induced G(2)-M phase arrest in HeLa cells in a dose-dependent manner, which was reversible after the compound was removed. The compound (10-300 μmol/L) induced the depolymerization of purified porcine tubulin in vitro. Finally, the compound (0.04-2.5 μmol/L) induced apoptosis of HeLa cells in dose- and time-dependent manners.Conclusion:6-Chloro-4-(methoxyphenyl) coumarin is a novel microtubule-targeting agent that induces G(2)-M arrest and apoptosis in HeLa cells, according to "Novel microtubule-targeted agent 6-chloro-4-(methoxyphenyl) coumarin induces G(2)-M arrest and apoptosis in HeLa cells" by Ma YM, Zhou YB, Xie CM, Chen DM, Li J.(3)

4. Antioxidant and anti-inflammatory activities
In the evaluation of the antioxidant and antiinflammatory activities of methanolic extract of whole plants of Angelica decursiva, and its solvent soluble fractions via in vitro, found that Among the tested fractions, the ethyl acetate fraction was found as the most active antioxidant fraction together with significant anti-inflammatory effect. From the active ethyl acetate fraction, four coumarin derivatives consisting of nodakenin, nodakenetin, umbelliferone, and umbelliferone-6-carboxylic acid, along with a phenolic compound, vanillic acid, were isolated. Among them, umbelliferone 6-carboxylic acid and vanillic acid were isolated for the first time from this plant. In all antioxidant assays, vanillic acid showed the highest antioxidant potential followed by umbelliferone 6-carboxylic acid among the isolated compounds. In the anti-inflammatory assay, umbelliferone 6-carboxylic acid exhibited the highest inhibitory activity against lipopolysaccharide-induced NO production in RAW 264.7 cells with an IC(50) value of 72.98 μg/mL, according to "In vitro antioxidant and anti-inflammatory activities of Angelica decursiva" by Zhao D, Islam MN, Ahn BR, Jung HA, Kim BW, Choi JS.(4)

5. Antimicrobial activity
In the investigation of the antibacterial and antifungal activities of Ulopterol, a coumarin isolated as another major active antimicrobial principle, found that the ethyl acetate extract which was found to possess highest antimicrobial activity was subjected to activity guided fractionation by column chromatography over silica gel. This resulted in the isolation of the coumarin, Ulopetrol, an active principle besides Flindersine which was reported by us earlier, according to " Antimicrobial activity of Ulopterol isolated from Toddalia asiatica (L.) Lam.: A traditional medicinal plant" by Karunai Raj M, Balachandran C, Duraipandiyan V, Agastian P, Ignacimuthu S.(5)

6. Alzheimer's disease
In a review of the differently synthesized coumarin derivatives as AChE inhibitors for management of AD indicated that the coumarin template for synthesizing novel AChE inhibitors with additional pharmacological activities including decrease in beta-amyloid (Aβ) deposition and beta-secretase inhibition are also important for AD management, according to "A review on coumarins as acetylcholinesterase inhibitors for Alzheimer's disease" by Anand P, Singh B, Singh N.(6)

7. Neuroprotective effects
In the investigation of the potential protective effects of osthole, a coumarin compound isolated from the plant-derived herb Cnidium monnieri in adult rats in the setting of traumatic brain injury (TBI), found that pretreatment with osthole (40 mg/kg) significantly increased the activity of SOD, the level of GSH, and the ratio of Bcl-2/Bax, and also reduced the level of MDA, the expression of active caspase-3, and the number of apoptotic cells at 24h after TBI. In summary, these results suggested that osthole had a neuroprotective effect against TBI, and the protection may be associated with its antioxidative and antiapoptotic functions, according to "Neuroprotective effects of osthole pretreatment against traumatic brain injury in rats" by He Y, Qu S, Wang J, He X, Lin W, Zhen H, Zhang X.(7)

8. Anticonvulsants
In the investigation of a series of coumarin incorporated 1,2,4- triazole compounds (1-14) for their possible anticonvulsant and neurotoxic properties, log P values, pharmacophoric mapping and three dimensional structure analysis, found that Compound (6) with para-fluoro substitution showed significant anticonvulsant activity, according to "Coumarin incorporated triazoles: a new class of anticonvulsants" by Bhat MA, Al-Omar MA.(8)

9. Hepatitis B virus
In the investigation of three new lignans, erythro-strebluslignanol (1), threo-7'-methoxyl strebluslignanol (2) and erythro-7'-methoxyl strebluslignanol (3), together with twelve known compounds were isolated from the n-butanol and chloroform fractions of the heartwood of Streblus asper, found that 6-hydroxyl-7-methoxyl-coumarin (5) and ursolic acid (10) showed anti-HBV activities, with IC(50) values of 29.60μM and 89.91μM for HBsAg at no cytotoxicity, and IC(50) values of 46.41μM and 97.61μM for HBeAg at no cytotoxicity, respectively, according to "Lignans from the heartwood of Streblus asper and their inhibiting activities to Hepatitis B virus" by Li LQ, Li J, Huang Y, Wu Q, Deng SP, Su XJ, Yang RY, Huang JG, Chen ZZ, Li S.(9)

(10). Etc.

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Sources
(1) http://www.ncbi.nlm.nih.gov/pubmed/22118403
(2) http://www.ncbi.nlm.nih.gov/pubmed/22301191
(3) http://www.ncbi.nlm.nih.gov/pubmed/22266726
(4) http://www.ncbi.nlm.nih.gov/pubmed/22297757
(5) http://www.ncbi.nlm.nih.gov/pubmed/22265751
(6) http://www.ncbi.nlm.nih.gov/pubmed/22257528
(7) http://www.ncbi.nlm.nih.gov/pubmed/22153917
(8) http://www.ncbi.nlm.nih.gov/pubmed/22125954
(9) http://www.ncbi.nlm.nih.gov/pubmed/22119765

Phytochemicals in Foods - 11 Health Benefits of Hydroxytyrosol

Hydroxytyrosol is a phytochemical in the class of Tyrosol esters, belonging to the group of Phenolic compounds found abundantly in olive oil.

Health Benefits
1. Longevity
In the determination if white wine and its cardioprotective components possess anti-aging properties by feeding rats with these compounds, found that the hearts expressed SirT, FoxO, and PBEF in the order of white wine>resveratrol>tyrosol>hydroxytyrosol>red wine, while cardioprotection shown by reduction of infarct size and cardiomyocyte apoptosis followed a different pattern: resveratrol>red wine>hydroxytyrosol>white wine>tyrosol, suggesting the existence of different signaling mechanisms for the induction of longevity and survival, according to " Expression of the longevity proteins by both red and white wines and their cardioprotective components, resveratrol, tyrosol, and hydroxytyrosol" by
Mukherjee S, Lekli I, Gurusamy N, Bertelli AA, Das DK.(1)

2. Anti breast cancer
In the investigation of hydroxytyrosol and tyrosol's effects in human breast cell lines, found that
hydroxytyrosol decreases the intracellular reactive oxygen species (ROS) level in MCF10A cells but not in MCF7 or MDA-MB-231 cells while very high amounts of tyrosol is needed to decrease the ROS level in MCF10A cells. Interestingly, hydroxytyrosol prevents oxidative DNA damage in the three breast cell lines, according to "Hydroxytyrosol Protects against Oxidative DNA Damage in Human Breast Cells" by Warleta F, Quesada CS, Campos M, Allouche Y, Beltrán G, Gaforio JJ.(2)

3. Antioxidants
In the determination of the antioxidant and protective properties of crude extract and fractions from Fructus Ligustri Lucidi (FLL) against hydrogen peroxide (H(2)O(2))-induced oxidative damage in SH-SY5Y cells, found that following exposure of cells to H(2)O(2),there was a marked decrease in cell survival and intracellular antioxidant enzymes, and then intracellular oxidative stress, the level of lipid peroxidation, and caspase-3 activity were increased. Simultaneous treatment with the EtOAc fraction blocked these H(2)O(2)-induced cellular events. Hydroxytyrosol and salidroside are major components of the EtOAc fraction, according to "Antioxidant phenolic profile from ethyl acetate fraction of Fructus Ligustri Lucidi with protection against hydrogen peroxide-induced oxidative damage in SH-SY5Y cells" by Ju HY, Chen SC, Wu KJ, Kuo HC, Hseu YC, Ching H, Wu CR.(3)

4. anti-inflammatory effects
In the investigation of the topical delivery features of this new set of antioxidant molecules as a function of their permeation profiles through the human stratum corneum and viable epidermis membranes, found that encouraging results prompt further investigations on the polyfunctional role that hydroxytyrosol conjugates could have as agents in both anti-inflammatory and antioxidant therapies, according to "Lipophilic hydroxytyrosol esters: fatty acid conjugates for potential topical administration" by Procopio A, Celia C, Nardi M, Oliverio M, Paolino D, Sindona G.(4)

5. Chronic colitis
In the randomized study of Six-week-old mice of three dietary groups: standard, EVOO and hydroxytyrosol-enriched EVOO. After 30 days, mice that were exposed to 3% DSS for 5 days developed acute colitis that progressed to severe chronic inflammation during a regime of 21 days of water, found that EVOO diets exerted a noteworthy beneficial effect in chronic DSS-induced colitis by cytokine modulation and COX-2 and iNOS reduction via downregulation of p38 MAPK. In addition to the beneficial effect by EVOO, supplementation of the diet with hydroxytyrosol may improve chronic colitis through iNOS downregulation plus its antioxidant capacity, according to "Influence of extra virgin olive oil diet enriched with hydroxytyrosol in a chronic DSS colitis model" by Sánchez-Fidalgo S, Sánchez de Ibargüen L, Cárdeno A, Alarcón de la Lastra C.(5)

6. Anti-proliferative and pro-apoptotic activities
In the classification of the role played by H(2)O(2) in the chemopreventive activities of 3,4-DHPEA on breast (MDA and MCF-7), prostate (LNCap and PC3) and colon (SW480 and HCT116) cancer cell lines and the investigation of the effects of cell culture medium components and the possible mechanisms at the basis of the H(2)O(2)-producing properties of 3,4-DHPEA,
found that the H(2)O(2)-inducing ability of 3,4-DHPEA is completely prevented by pyruvate and that the exposure of cells to conditions not supporting the H(2)O(2) accumulation (addition of either catalase or pyruvate to the culture medium) inhibited the anti-proliferative effect of 3,4-DHPEA. Accordingly, the sensitivity of the different cell lines to the anti-proliferative effect of 3,4-DHPEA was inversely correlated with their ability to remove H(2)O(2) from the culture medium, according to "Anti-proliferative and pro-apoptotic activities of hydroxytyrosol on different tumour cells: the role of extracellular production of hydrogen peroxide" by Fabiani R, Sepporta MV, Rosignoli P, De Bartolomeo A, Crescimanno M, Morozzi G.(6)

7. Huntington's disease
In the verification of whether extra-virgin olive oil (EVOO) exerted a brain antioxidant effect, protecting the brain against the oxidative stress caused by 3-nitropropionic acid (3NP).
found that EVOO and HT reduces lipid peroxidation product levels and blocks the GSH depletion prompted by 3NP in both striatum and rest of the brain in Wistar rats. In addition, EVOO blocks and reverses the effect of 3NP on succinate dehydrogenase activity. In brief, the data obtained indicate that EVOO and HT act as a powerful brain antioxidant, according to "Olive oil reduces oxidative damage in a 3-nitropropionic acid-induced Huntington's disease-like rat model" by Tasset I, Pontes AJ, Hinojosa AJ, de la Torre R, Túnez I.(7)

8. Antimicrobial activity
In the assesment of antimicrobial effects, in vitro that wastewaters from alpeorujo oil extraction have against phytopathogenic bacteria and fungi, found that the bactericidal effect was due to the joint action of low molecular mass phenolic compounds, although neither hydroxytyrosol, its glucosides, hydroxytyrosol glycol, nor a glutaraldehyde-like compound individually explained this bioactivity, according to "Antimicrobial activity of olive solutions from stored Alpeorujo against plant pathogenic microorganisms" by Medina E, Romero C, de Los Santos B, de Castro A, Garcia A, Romero F, Brenes M.(8)

9. Osteoporosis symptoms
In the evaluation of the effects of oleuropein, hydroxytyrosol and tyrosol, the major polyphenols in olives, on bone formation using cultured osteoblasts and osteoclasts, and on bone loss in ovariectomized mice, found that the olive polyphenols oleuropein and hydroxytyrosol may have critical effects on the formation and maintenance of bone, and can be used as effective remedies in the treatment of osteoporosis symptoms, according to "Olive polyphenol hydroxytyrosol prevents bone loss" by Hagiwara K, Goto T, Araki M, Miyazaki H, Hagiwara H.(9)

10. Anti-platelet effects
In the investigation of the effects of alperujo extract, an olive oil production waste product containing the majority of polyphenols found in olive fruits, through measurement of effects on platelet aggregation and activation in isolated human platelets, and through identification of changes in the platelet proteome, found that Alperujo extract (40 mg/L) significantly decreased in vitro ADP- (p = 0.002) and TRAP- (p = 0.02) induced platelet activation as measured by the flow cytometry using the antibody for p-selectin (CD62p), but it did not affect the conformation of the fibrinogen receptor as measured by flow cytometry using the antibodies for anti-fibrinogen, CD42a and CD42b. Alperujo extract (100 mg/L) inhibited both collagen- and TRAP-induced platelet aggregation by 5% (p < 0.05), and a combination of hydroxytyrosol and 3,4-dihydroxyphenylglycol, according to "Anti-platelet effects of olive oil extract: in vitro functional and proteomic studies" by de Roos B, Zhang X, Rodriguez Gutierrez G, Wood S, Rucklidge GJ, Reid MD, Duncan GJ, Cantlay LL, Duthie GG, O'Kennedy N.(10)

11. Cardiovascular disease
In the evaluation of whether the consumption of hydroxytyrosol-enriched sunflower oil (HSO) improves certain CVD biomarker values, found that the HSO group displayed a significantly higher level (P < 0·01) of arylesterase activity and significantly lower levels of oxidised LDL and sVCAM-1 (both P < 0·05) than the control group. These results suggest that HSO may help prevent CVD, according to "Effects of hydroxytyrosol-enriched sunflower oil consumption on CVD risk factors" by Vázquez-Velasco M, Esperanza Díaz L, Lucas R, Gómez-Martínez S, Bastida S, Marcos A, Sánchez-Muniz FJ.(11)

12. Etc.

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Sources
(1) http://www.ncbi.nlm.nih.gov/pubmed/19071213
(2) http://www.ncbi.nlm.nih.gov/pubmed/22254082
(3) http://www.ncbi.nlm.nih.gov/pubmed/22142696
(4) http://www.ncbi.nlm.nih.gov/pubmed/22014120
(5) http://www.ncbi.nlm.nih.gov/pubmed/21874330
(6) http://www.ncbi.nlm.nih.gov/pubmed/21805082
(7) http://www.ncbi.nlm.nih.gov/pubmed/21756531
(8) http://www.ncbi.nlm.nih.gov/pubmed/21630653
(9) http://www.ncbi.nlm.nih.gov/pubmed/21539839
(10) http://www.ncbi.nlm.nih.gov/pubmed/21197537
(11) http://www.ncbi.nlm.nih.gov/pubmed/21138606

Phytochemicals in Foods -7 Health Benefits of Canthaxanthin

Canthaxanthin is a phytochemincal of Yellow pigments in the class of Xanthophylls , belonging to the group of Carotenoids (tetraterpenoids), found abundantly in paprika, green algae, crustaceans, etc.

Health Benefits
1. Photoprotective effect
In the investigation of the carotenoids astaxanthin (AX), canthaxanthin (CX) and beta-carotene (betaC) delivered to HDF 24 h before exposure to UVA, found that Astaxanthin exhibited a pronounced photoprotective effect and counteracted all of the above-mentioned UVA-induced alterations to a significant extent. beta-Carotene only partially prevented the UVA-induced decline of catalase and superoxide dismutase activities, but it increased membrane damage and stimulated HO-1 expression, according to "Astaxanthin, canthaxanthin and beta-carotene differently affect UVA-induced oxidative damage and expression of oxidative stress-responsive enzymes' by Camera E, Mastrofrancesco A, Fabbri C, Daubrawa F, Picardo M, Sies H, Stahl W.(1)

2. Antioxidative and anti-inflammatory neuroprotective effects
In the examination of the antioxidative and anti-inflammatory effects of astaxanthin (AX) and canthaxanthin (CX). PC12 cells pretreated with AX or CX at 10 or 20 muM, and followed by exposure of hydrogen peroxide (H(2)O(2)) or 1-methyl-4-phenylpyridinium ion (MPP(+)) to induce cell injury, found that the pretreatments from AX or CX significantly retained GPX and catalase activities, and decreased MDA and ROS formations (P < 0.05). H(2)O(2) or MPP(+) treatment significantly decreased Na(+)-K(+)-ATPase activity, elevated caspase-3 activity and levels of interleukin (IL)-1, IL-6, and tumor necrosis factor (TNF)-alpha (P < 0.05); and the pretreatments from these agents significantly restored Na(+)-K(+)-ATPase activity, suppressed caspase-3 activity and release of IL-1, IL-6, and TNF-alpha (P < 0.05). Based on the observed antioxidative and anti-inflammatory protection from AX and CX, these 2 compounds were potent agents against neurodegenerative disorder, according to "Antioxidative and anti-inflammatory neuroprotective effects of astaxanthin and canthaxanthin in nerve growth factor differentiated PC12 cells' by Chan KC, Mong MC, Yin MC.(2)

3. Hypocholesterolmic and antioxidant properties
In the investigation of the effect of feeding partially saturated canthaxanthin (PSC), purified from Aspergillus carbonarius mutant, using four groups of female albino rats (n=6) for 4 weeks, found that PSC included in the diet significantly decreased cholesterol in blood. There was 44.75% and 60.54% decrease in LDL-cholesterol in rats fed with 50 and 100 ppm carotenoid. Hepatic ascorbic acid content increased by 44.59% in rats fed with 50 ppm PSC. Dietary PSC at 250 ppm lowered lipid peroxides by 19.49%. Activities of antioxidant enzymes, glutathione transferase and catalase were significantly higher in serum and liver of PSC fed rats compared to the controls. The results suggested that PSC feeding can induce hypocholesterolmic and antioxidant properties in rats, according to "Antioxidant and lipid peroxidation activities in rats fed with Aspergillus carbonarius carotenoid" by Kumar A, Srikanta AH, Muthukumar SP, Sukumaran UK, Govindaswamy V.(3)

4. Oral carcinogenesis
In the investigation of the chemopreventive effects of two xanthophylls, astaxanthin (AX) and canthaxanthin (CX) on oral carcinogenesis induced by 4-nitroquinoline 1-oxide (4-NQO) in male F344 rats, found that AX and CX are possible chemopreventers for oral carcinogenesis, and such effects may be partly due to suppression of cell proliferation, according to "Chemoprevention of rat oral carcinogenesis by naturally occurring xanthophylls, astaxanthin and canthaxanthin" by Tanaka T, Makita H, Ohnishi M, Mori H, Satoh K, Hara A.(4)

5. Antiradical effects
In the study of the hydrogen atom transfer (HAT) antiradical mechanism of of 13 carotenoids (CAR) and vitamin E are explored, by assessing CAR-H bond dissociation energy, found that C4 or C4' is not always the reactive position when it is unsubstituted and also that CAR without H atoms in the 4 position may be as effective against free radicals as other CAR with H atoms in C4 and C4'. Lutein is the most effective antiradical for the purpose of hydrogen abstraction, whereas the least effective antiradical for this process is canthaxanthin, which is one of the reddest CAR. Vitamin E is not as effective as most of the yellow CAR but may be a better antiradical than canthaxanthin, according to "Antiradical power of carotenoids and vitamin E: testing the hydrogen atom transfer mechanism" by Martínez A, Barbosa A.(5)

6. Prostate cancer
In the investigation the effect of partially saturated canthaxanthin purified from Aspergillus carbonarius and its effect on prostate cancer cell line, found that nuclear magnetic resonance analyses characterizing the pigment as a partially saturated canthaxanthin, containing beta-ionone end rings, suggested its application as a retinoid. When tested for this property in retinoic acid receptor expressing prostate cancer cell line, LNCaP, the fungal partially saturated canthaxanthin induced apoptosis, according to "Partially saturated canthaxanthin purified from Aspergillus carbonarius induces apoptosis in prostrate cancer cell line" by Kumaresan N, Sanjay KR, Venkatesh KS, Kadeppagari RK, Vijayalakshmi G, Umesh-Kumar S.(6)

7. Abdominal obesity
In the investigation of the relationship between abdominal adiposity and serum levels of carotenoids, found that in females, High waist circumference was associated with low levels of serum canthaxanthin (OR=2.00, 95% CI=1.26-3.19) and beta-carotene (BC) (OR=2.01, 95% CI=1.23-3.28). High waist hip ratio was also associated with low levels of serum alpha- carotene and BC (OR=2.44, 95% CI=1.49-4.03, and OR =1.97, 95% CI=1.20-3.28, respectively). Similar results were obtained when body mass index was added to confounding factors. In males, however, there were no significant associations between obesity indices and serum levels of carotenoids, according to "Chemoprevention of rat oral carcinogenesis by naturally occurring xanthophylls, astaxanthin and canthaxanthin" by Tanaka T, Makita H, Ohnishi M, Mori H, Satoh K, Hara A.(7)

9. Etc.

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Sources
(1) http://www.ncbi.nlm.nih.gov/pubmed/18803658
(2) http://www.ncbi.nlm.nih.gov/pubmed/19895474
(3) http://www.ncbi.nlm.nih.gov/pubmed/21925232
(4) http://www.ncbi.nlm.nih.gov/pubmed/7664280
(5) http://www.ncbi.nlm.nih.gov/pubmed/19367913
(6) http://www.ncbi.nlm.nih.gov/pubmed/18542946
(7) http://www.ncbi.nlm.nih.gov/pubmed/16698146

Phytochemicals in Foods - 9 Health Benefits of Zeaxanthin

Zeaxanthin is a phytochemincal of Yellow pigments in the class of Xanthophylls , belonging to the group of Carotenoids (tetraterpenoids), found abundantly in wolfberry, spinach, kale, turnip greens, maize, eggs, red pepper, etc.

Health Benefits
1. Alzheimer's disease
In the identification of an association between vascular comorbidities/vascular risk factors and plasma levels of antioxidant micronutrients in patients with AD found that Plasma levels of retinol, vitamin E, lutein, zeaxanthin, lycopene and β-carotene were significantly lower in the AD  Plus group than in controls. Furthermore, vitamin A levels were correlated with MMSE scores and the levels of vitamin E, lutein, zeaxanthin and lycopene were correlated with all neuropsychological tests.Conclusion: The depletion of circulating antioxidant micronutrients observed in AD  patients is associated with vascular comorbidities and risk factors. The vascular comorbidities of patients with AD should also be identified in light of the presence and degree of depletion of the antioxidant defense system of the organism, according to "[Influence of vascular comorbidities on the antioxidant defense system in Alzheimer's disease].[Article in German]" by Polidori MC, Stahl W, De Spirt S, Pientka L.(1)

2. Eye Health
In the article of summarises the current literature related to the bioactivity of these carotenoids (lutein and zeaxanthin), emphasising their effects and possible mechanisms of action in relation to human eye health, found that lutein and zeaxanthin are widely distributed in a number of body tissues and are uniquely concentrated in the retina and lens, indicating that each has a possible specific function in these two vital ocular tissues. Most of epidemiological studies and clinical trials support the notion that lutein and zeaxanthin have a potential role in the prevention and treatment of certain eye diseases such as age-related macular degeneration, cataract and retinitis pigmentosa. The biological mechanisms for the protective effects of these carotenoids may include powerful blue-light filtering activities and antioxidant properties, according to "Effects of lutein and zeaxanthin on aspects of eye health" by Ma L, Lin XM.(2)

3. Eye and skin health
In the reviews of the scientific literature pertaining to the effects that lutein and zeaxanthin exhibit in the human eye and skin, indicated that in the eye, lutein and zeaxanthin have been shown to filter high-energy wavelengths of visible light and act as antioxidants to protect against the formation of reactive oxygen species and subsequent free radicals. Human studies have demonstrated that lutein and zeaxanthin are present in the skin, and animal studies have provided evidence of significant efficacy against light-induced skin damage, especially the ultraviolet wavelengths, according to "Lutein and zeaxanthin in eye and skin health" by Roberts RL, Green J, Lewis B.(3)

4. Macular pigment level
In the comparison of the effect of lutein- and zeaxanthin-rich foods and supplements on macular pigment level (MPL) and serological markers of endothelial activation, inflammation and oxidation in healthy volunteers, concluded that in 8-week supplementation with lutein and zeaxanthin, whether as foods or as supplements, had no significant effect on MPL or serological markers of endothelial activation, inflammation and oxidation in healthy volunteers, but may improve MPL in the highest serum responders and in those with initially low MPL, according to "The effect of lutein- and zeaxanthin-rich foods v. supplements on macular pigment level and serological markers of endothelial activation, inflammation and oxidation: pilot studies in healthy volunteers" by Graydon R, Hogg RE, Chakravarthy U, Young IS, Woodside JV.(4)

5. Anti-inflammatory cytokine
In the investigation of the effects of xanthophylls (containing 40 % of lutein and 60 % of zeaxanthin) on proinflammatory cytokine (IL-1β, IL-6, interferon (IFN)-γ and lipopolysaccharide-induced TNF-α factor (LITAF)) and anti-inflammatory cytokine (IL-4 and IL-10) expression of breeding hens and chicks, found that in ovo xanthophylls decreased proinflammatory cytokine expression (IL-1β, IL-6, IFN-γ and LITAF) in the liver, duodenum, jejunum and ileum and increased anti-inflammatory cytokine expression (IL-4 and IL-10) in the liver, jejunum and ileum mainly at 0-7 d after hatching. In ovo effects gradually vanished and dietary effects began to work during 1-2 weeks after hatching. Dietary xanthophylls modulated proinflammatory cytokines (IL-1β, IL-6 and IFN-γ) in the liver, duodenum, jejunum and ileum and anti-inflammatory cytokine (IL-10) in the liver and jejunum mainly from 2 weeks onwards, according to "Supplementation of xanthophylls decreased proinflammatory and increased anti-inflammatory cytokines in hens and chicks" by Gao YY, Xie QM, Jin L, Sun BL, Ji J, Chen F, Ma JY, Bi YZ.(5)

6. Anti breast cancer
In the investigation of analyzed baseline and repeated serum measurements of carotenoids, retinol, and tocopherols to assess their associations with postmenopausal breast cancer risk,
found that after multivariable adjustment, risk of invasive breast cancer was inversely associated with baseline serum alpha-carotene concentrations (hazard ratio for highest compared with the lowest tertile: 0.55; 95% CI: 0.34, 0.90; P = 0.02) and positively associated with baseline lycopene (hazard ratio: 1.47; 95% CI: 0.98, 2.22; P = 0.06). Analysis of repeated measurements indicated that alpha-carotene and beta-carotene were inversely associated with breast cancer and that gamma-tocopherol was associated with increased risk, according to "Longitudinal study of serum carotenoid, retinol, and tocopherol concentrations in relation to breast cancer risk among postmenopausal women" by Kabat GC, Kim M, Adams-Campbell LL, Caan BJ, Chlebowski RT, Neuhouser ML, Shikany JM, Rohan TE; WHI Investigators.(6)

7. Non-Hodgkin lymphoma (NHL)
In the testing the hypothesis that higher intake of antioxidant nutrients from foods, supplements and FFQ-based ORAC values are associated with a lower risk of NHL in a clinic-based study of 603 incident cases and 1,007 frequency-matched controls, found that Dietary intake of α-tocopherol (OR = 0.50; p-trend = 0.0002), β-carotene (OR = 0.58; p-trend = 0.0005), lutein/zeaxanthin (OR = 0.62; p-trend = 0.005), zinc (OR = 0.54; p-trend = 0.003) and chromium (OR = 0.68; p-trend = 0.032) was inversely associated with NHL risk. Inclusion of supplement use had little impact on these associations. Total vegetables (OR = 0.52; p-trend < 0.0001), particularly green leafy (OR = 0.52; p-trend<0.0001) and cruciferous (OR = 0.68; p-trend = 0.045) vegetables, were inversely associated with NHL risk, according to "Food-frequency questionnaire-based estimates of total antioxidant capacity and risk of non-Hodgkin lymphoma" by Holtan SG, O'Connor HM, Fredericksen ZS, Liebow M, Thompson CA, Macon WR, Micallef IN, Wang AH, Slager SL, Habermann TM, Call TG, Cerhan JR.(7)

8. Cardioprotective effect
In the evaluation of the cardioprotective effect of VitaePro (70 mg/kg body weight, 21 days), a novel antioxidant mix of astaxanthin, lutein and zeaxanthin in a rat ex vivo model of ischemia/reperfusion injury, found that oral ingestion of VitaePro protects myocardium from ischemia/reperfusion injury by decreasing oxidative stress and apoptosis, which may be of therapeutic benefit in the treatment of cardiovascular complications. However, further in vivo animal and human intervention studies are warranted before establishing any recommendations about usage of VitaePro for human cardiovascular complications, according to "Cardioprotective Efficacy of a Novel Antioxidant Mix VitaePro Against Ex Vivo Myocardial Ischemia-Reperfusion Injury" by Adluri RS, Thirunavukkarasu M, Zhan L, Maulik N, Svennevig K, Bagchi M, Maulik G.(8)

9. Asymptomatic early atherosclerosis
in the examination of the cross-sectional association of serum vitamin levels, the susceptibility of LDL to hemin-induced oxidation (lag phase to conjugated diene formation), and the malondialdehyde-LDL (MDA-LDL) to native LDL radioactivity binding ratio with carotid intima-media thickness (IMT), a measure of asymptomatic early atherosclerosis, found that after adjustment for potential confounders, only the inverse association of lutein plus zeaxanthin with asymptomatic atherosclerosis was maintained. This study supports a modest inverse association between circulating levels of some carotenoids, particularly lutein plus zeaxanthin, and carotid IMT, according to "Association of serum vitamin levels, LDL susceptibility to oxidation, and autoantibodies against MDA-LDL with carotid atherosclerosis. A case-control study. The ARIC Study Investigators. Atherosclerosis Risk in Communities" by Iribarren C, Folsom AR, Jacobs DR Jr, Gross MD, Belcher JD, Eckfeldt JH.(9)

10. Etc.

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Sources
(1) http://www.ncbi.nlm.nih.gov/pubmed/22318842
(2) http://www.ncbi.nlm.nih.gov/pubmed/20355006
(3) http://www.ncbi.nlm.nih.gov/pubmed/19168000
(4) http://www.ncbi.nlm.nih.gov/pubmed/22313522
(5) http://www.ncbi.nlm.nih.gov/pubmed/22273061
(6) http://www.ncbi.nlm.nih.gov/pubmed/19474140
(7) http://www.ncbi.nlm.nih.gov/pubmed/22038870
(8) http://www.ncbi.nlm.nih.gov/pubmed/21960420
(9) http://www.ncbi.nlm.nih.gov/pubmed/9194770