Tuesday, 23 April 2019

Turmeric Protects Your Skin Against Photo-Damage

By Kyle J. Norton

Photodamage is a type of skin damage caused by long-term exposure to the sunlight or tanning bed.

Photodamage skin is one most common form of skin damage in the US, due to misunderstanding the benefits and adverse effects on light exposure.

Believe it or not, a quarter of lifetime sun exposure occurs before the end of the teenage years. Most cases of photo skin damage can also stimulate some unwanted skin conditions, including advanced aging or wrinkling, uneven skin, hyperpigmentation, telangiectasias, actinic keratoses liver, and age spots.

In severe cases, long-term photodamage skin can also lead to skin cancer. More people in the US are diagnosed with skin cancer each year than all other cancers combined.

According to the statistic, 1 in 5 Americans will develop skin cancer by the age of 70.

Conventionally, most cases of early-stage and mild damage of skin are treated by topical Levulan that remove scaly patches of actinic keratoses from your skin.

However, Laser surgery may be necessary, if the topical fails.

Dr. Jee SH, the lead scientist in the examination of the risk of photodamage skin in the risk of skin cancer wrote, "Some workers in paraquat manufacturing, exposed to bipyridines, have developed pigmentation and keratosis on sun-exposed skin".

And, "This pathologic study proves that all the lesions showed either photodamage or skin cancer. The strong trend in the correlation between the severity of photodamage and exposure to bipyridine leads to the speculation about the synergistic role of bipyridine exposure and the solar effect in causing these malignant and premalignant skin lesions".

Turmeric is a perennial plant in the genus Curcuma, belonging to the family Zingiberaceae, native to tropical South Asia.

The herb has been used in traditional medicine as anti-oxidant, hypoglycemic, colorant, antiseptic, wound healing agent, and to treat flatulence, bloating, and appetite loss, ulcers, eczema, inflammations, etc.

In the concerns of Ultraviolet B (UVB) irradiation in inducing skin photo-damage associated with the onset of a sunburn, erythema, photoaging, and photocarcinogenesis, researchers evaluated the protective effects of curcumin against acute photo-damage.

In hairless mice, topical application of curcumin exerted a kin protective effect by significantly inhibiting acute UVB (540 mJ cm-2 , for 3 successive days)-induced inflammatory cells, collagen accrementition derangement, and lipid peroxidation.

Additionally, the topical cream with curcumin also stimulated the NF-E2-related factor 2 (Nrf2) nuclear accumulation involved in skin defense on uncovered (Uncv) hairless mice skin.

In vitro, treatment of HaCaT cells with curcumin significantly attenuated acute UVB (300 mJ cm-2 ) tissue damage in releasing lactate dehydrogenase release (LDH) into the bloodstream.

Levels of intracellular reactive oxygen species production and DNA damage are also inhibited by the injection of curcumin by activating the expression of phase II detoxifying enzymes and promoting DNA repair activity. 

Additional analysis of the skin protective activity of curcumin, researchers found that The photoprotective effect provided by curcumin was potentially associated with modulation of Nrf2-factor associated with antioxidant defense.

In order to reveal more information about the effects of turmeric anti skin damage, researchers looked into the turmeric and turmeric-containing polyherbal combination tablets versus placebo on facial redness.

The prospective, double-blind, randomized pilot study included 33 healthy participants were recruited from the dermatology clinic at the University of California, Davis and nearby community from 2016 to 2017 receive one of three interventions (placebo, turmeric or polyherbal combination tablets) and were told to take the intervention tablets by mouth twice daily for 4 weeks.

According to the results, the polyherbal combination group had a significant decrease in redness of 40% compared to baseline (P = 0.03) compared to that of placebo and turmeric groups with no statistically significant changes in image analysis-based facial redness.

Based on the findings, researchers said, "Polyherbal combination tablet supplementation improved facial redness compared to the turmeric or placebo".

Taken altogether, turmeric processed a high amount of bioactive compound curcumin used alone or combined with other phytochemical may be used for the prevention of skin photo-damage, pending to the confirmation of the larger sample size and multicenter human study.

Intake of turmeric in the form of supplement should be taken with extreme care to prevent overdose acute liver toxicity.

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Author Biography
Kyle J. Norton (Scholar, Master of Nutrition, All right reserved)

Health article writer and researcher; Over 10.000 articles and research papers have been written and published online, including worldwide health, ezine articles, article base, health blogs, self-growth, best before it's news, the karate GB daily, etc.,.
Named TOP 50 MEDICAL ESSAYS FOR ARTISTS & AUTHORS TO READ by Disilgold.com Named 50 of the best health Tweeters Canada - Huffington Post
Nominated for shorty award over last 4 years
Some articles have been used as references in medical research, such as international journal Pharma and Bioscience, ISSN 0975-6299.

(1) Protective Effect of Curcumin Against Acute Ultraviolet B Irradiation-induced Photo-damage by Li H1, Gao A1, Jiang N1, Liu Q1, Liang B1, Li R1, Zhang E1, Li Z1, Zhu H. (PubMed)
(2) Dietary supplementation with turmeric polyherbal formulation decreases facial redness: a randomized double-blind controlled pilot study by Vaughn AR1, Pourang A2, Clark AK2, Burney W2, Sivamani RK. (PubMed)
(3) Photodamage and skin cancer among paraquat workers by Jee SH1, Kuo HW, Su WP, Chang CH, Sun CC, Wang JD. (PubMed)

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