Kyle J. Norton
Skin aging is one of most visible ageing process which occurs constantly
in our skin organ. According to the Clinical Centre of Nis, certain
plant extracts may have the ability to scavenge free radicals, to
protect the skin matrix through the inhibition of enzymatic degradation,
or to promote collagen synthesis in the skin, affect skin elasticity
and tightness(a). Other suggested that free radicals induced domino
effects in production of reactive oxygen species, can react with DNA,
proteins, and fatty acids, causing oxidative damage and impairment of
antioxidant system, leading injuries damage regulation pathways of
skin, including wrinkles, roughness, appearance of fine lines, lack of
elasticity, and de- or hyperpigmentation marks(b).
The degradation of the epidermal and dermal layers of the extracellular
matrix (ECM), the non-cellular component present within all tissues and
organs, such as UV Exposure, decline of lysosomal/endosomal cathepsin K,
S and V activity(c) as well as environment factors such as irregular
dryness, dark/light pigmentation, sallowness, severe atrophy,
telangiectases, premalignant lesions, laxity, leathery appearance and
deep wrinkling, etc., cause modification of the surface of
skin
and the physical properties of that lead to skin aging. Certain foods
have been found to be effective in protect the skin against natural
aging, including green tea and garlic.
1. Garlic
Garlic (Allium sativum) is a
species in the onion genus, belonging to family Amaryllidaceae, native
to central Asia. It has been used popularly in traditional and Chinese
medicine in treating common cold and flu to the Plague, blood pressure
cholesterol levels, natural antibiotic, etc.
In wrinkle formation, caffeic acid and S-allyl cysteine found in garlic
significantly inhibited the degradation of type І procollagen and the
expressions of MMPs in vivo and attenuated the histological collagen
fiber disorder and oxidative stress in vivo, through decreased oxidative
stress and inflammation by modulating the activities of NF-κB and AP-1,
and exhibited an indirect anti-oxidant effect by suppressing
cyclooxygenase-2 (COX-2) and induced nitric oxide synthase (iNOS)
expressions levels and down-regulated transcriptional factors(1). Its
garlic's antioxidant properties may either prevent or delay chronic diseases associated with
aging(2).
According to Aarhus University, garlic not only protected skin cell
from undergo aging process but also inhibited the abnormal growth of
skin cells, through its on long-term growth characteristics, morphology
and macromolecular synthesis of human fibroblasts(3).
2. Ginger
Ginger (Zingiber officinale) or ginger root is the genus
Zingiber, belonging to the family Zingiberaceae, native to Tamil. It
has been used in traditional and Chinese medicine to treat dyspepsia,
gastroparesis, constipation, edema, difficult urination, colic, etc.
In formation of wrinkles induced by UV exposure in rat or hairless mouse
skin, extract
of Zingiber officinale, significantly inhibited the fibroblast-derived
elastase at a suberythemal dose, in prevention of the decrease in
skin elasticity in both types of animal
skin(4).
3. Black bean
Small roughly ovoid legumes with glossy
black shells, genus Phaseolus, belongs to the family Fabaceae and can bought
in most grocery stores all around the year in dried and canned forms. It is believed that black bean was
first domesticated growth in South America.
According to Jiangnan University, chemical constituents in black bean sprouts may potentiate as additives in anti-
aging and whitening skin cosmetic products due to its antioxidant properties(5).
On UVB-induced apoptotic skin cell death, anthocyanins a major chemical
compound found in black bean, not only reduced UVB-induced reactive
oxygen species levels but also inhibited UVB-induced apoptotic cell
death through the prevention of caspase-3 pathway activation and
reduction of proapoptotic Bax protein levels(6). Other study also found
the effectiveness of anthocyanins in modulation of oxidative disorders
including UVB-induced inflammation(7).
4. Avocado
Avocados are a commercially
valuable fruit and are cultivated in tropical climates throughout the
world, it is a green-skinned, pear-shaped fruit that ripens after
harvesting and native to the Caribbean, Mexico, South America and
Central America, belonging to the flowering plant family Lauraceae.
Daily intake of one-half a Hass
avocado (68 g), may support cardiovascular health, weight management and healthy
aging(8). Study on the of ingestion of an unsaponifiable
avocado
and soya extract (P.I.A.S.) indicated a very probable presence of
phytosterols and a richer proportion of cholesterol, precursors
particularly methostenol in the
skin of rats fed(9).
5. Passion fruit
Passionflower is also known as
passion vines,, in the genus Passiflora
, belonging to the family
Passifloraceae,
native to southeastern parts of the America. The herb has been used in
traditional medicine in treating nervous tension including anxiety,
insomnia, seizures,
sleep problems and hysteria.
Passion fruit seed extract, piceatannol,
and scirpusin B effected the keratinocyte by upregulated the glutathione
(GSH) levels in keratinocytes in a dose-dependent manner, and suppressed
the UVB-induced generation of reactive oxygen species (ROS), and
enhanced matrix-metalloproteinase (MMP)-1 activity(10). A flavone
chrysin from
Passiflora caerulea Linn. and a benzoflavone moiety (BZF) recently isolated from
Passiflora
incarnata Linn in rat skin study, showed a great potential for clinical
and therapeutic applications against the physiological and biochemical
effects of
aging(11).
6. Mango
Mango tree is a flower plant of genus of Mangifera, belonging to the
family Anacardiaceae, native to the subtropical and tropical southeast
Asia. The
Beside exerting its antioxidant with anti-inflammatory and immunomodulatory activities,
mango extract also showed to inhibit wrinkle formation and damage to collagen fiber against UVB-induced
skin aging
in hairless mice(12). Polyamine, a major chemical constituent of mango
and other plants may be potential target for reduced aging skin as the
level of spermidine was maximal in 10-week-old mice and markedly reduced
in 26-week-old mice(13).
7. Apple
Apple is the pomaceous fruit of
the apple tree, a species of the rose family Rosaceae. It is one of the
most widely cultivated tree fruits. The tree is originated in Central
Asia.
Apple whole fruit and its chemical compound showed to protect cells from
aging through influence of
aging
and oxidative stress(14). The study from Taipei Medical University, in
the study of its chemical compounds suggested the use of extract of M.
doumeri var. formosana (containing phenolic compounds) in anti-
aging or cosmetic products(15) through exhibition of anti-oxidant and tyrosinase reducing activities(16).
9. Sea buckthorn fruit
Sea buckthorn is a shrub in the genus Hippophae, belonging to the family Elaeagnaceae, native to in
the wide regions of the Atlantic coasts of Europe right across to northwestern Mongolia and also
northwestern China.
A sea buckthorn (Hippophae rhamnoides L.) fruit blend (SFB) containing sea buckthorn fruit extract,
exhibited a protective and therapeutic drug candidate against skin aging by regulating the moisture
content, MMP expression levels and SOD activity in UV radiation-induced skin aging in hairless mice,
according to the study by the Pusan National University(17).
10. Grape
Grape is a woody vines of the genus Vitis, belong to the family Vitaceae, native to southern Turkey.
Trans-resveratrol, a polyphenol extracted from grape, showed a remarkable improvement in decreased
aging signs(18). In facial
skin morphology and functionality, combination of
grape
seed extract and soy phospholipids showed to have the potential in
induced signal transduction pathways in facial hypodermis, resulting in
anti-
aging effects throughout all
skin
compartments, including dermal and epidermal layers(19). Clinically and
biometrically, composition of lycopene, acerola extract,
grape
seed extract and Biomarine ComplexT showed to increase parameters of
cutaneous hydration, reduction of pH, ultrasound density and a
histological increment of collagen and elastic fibers (both on the face
and arm), through a reduction of seborrhea (only on the face)(20).
11. Pomegranate
Pomegranates is a fruit-bearing small tree, genus Punica,
belonging to family Lythraceae, native to Iran but has been cultivated
in Asian since ancient time.
Pomegranate are among many plants ma be beneficial in protect against human skin aging(21), In the
Study at the Kyung Hee University Global Campus, Punica granatum (
pomegranate) extract showed a positive effect in protecting
skin against UVB-induced damage in cultured human
skin
fibroblasts, through increased expression of procollagen type I and
decreased expression of MMP-1(22). In an immortal human keratinocyte
line (Hala cell line),
pomegranate
polyphenol extract POMx protected HaCaT cells against UVB-induced
oxidative stress and markers of photoaging(23). Ellagic acid, a
polyphenol compound presented in berries and
pomegranate, prevented collagen destruction and inflammatory responses caused by UV-B, according to the Hallym University(24).
12. Almond skin
Almond consists of an outer hull and a hard shell with the seed (nut)
inside is native to the Middle East. It is most widely cultivated seed
in the world for it economic and health benefit.
The study of α-Tocopherol (AT) and polyphenols (AP) in almonds
ahainst UV exposure causes of oxidative stress, inflammation, erythema,
and
skin cancer, showed the positive effect of AT and AP, applied to medium or topically, in photoprotection against UVA(25)(26).
13. Cacao bean and cola nut
Caocao a small tropical American evergreen tree, of the genus
Theobroma, belonging to the family Malvaceae. Its seed has been used for
making chocolate and cocoa mass, cocoa powder.
Cola tree is a genus Cola, belonging the family Malvaceae, native to the tropical rainforests of Africa.
Topical application of plant extracts and their xanthine derivatives
showed to suppressed wrinkle formation, dermal connective alteration,
and collagen accumulation(27). The
1Natura
Innovation and Product Technology Ltda, Cajamar study indicated the
antioxidant effects of cacao in protection against oxidative causes of
skin cell damage(28).
14. Olive oils
Olive is belongs to the the family Oleaceae, native to the coastal areas
of the eastern Mediterranean Basin and south end of the Caspian Sea.
Its fruit, is also called the olive and the source of olive oil.
Unsaturated fatty acid (PUFA) found abundantly in olive oil may be effective in alleviation of
skin problems such as dryness and those related to the
aging
process. The Università degli Studi di Torino study showed the use of
combination of hemp seed and olive oils may inhibit the problem through
spraying in some gel-emulsions(29). According to the Procter &
Gamble Company,
olive-derived fatty acid ethoxylates, not only showed to restore antioxidant enzymes in
skin keratinocytes and fibroblasts, but also reduced melanin production by an adrenergic receptor mechanism in melanocytes(30).
15. Date palm kernel extract
Date palm tree is a genus of Phoenix, belonging to the family
Arecaceae, native from lands around Iraq. According to Vincience Research Center Date palm kernel
extract, in the study of 10 Ten healthy women volunteers, between the ages of 46 and 58 years, applied
the cream formula with 5% date palm kernel or placebo on the eye area twice a day for 5 weeks,
application of date palm kernel reduced the total surface of wrinkles by 27.6% (p = 0.038), the depth of
wrinkles by 3.52% (p = 0.0231). These results are statistically significant and were clinically confirmed
where visual improvement was seen in 60% of the volunteers treated(31).
16. Lemon oil
Lemon is a species of Citrus Aurantifolia, belongs to the family
Rutaceae. It has around shape are with green to yellow in color and 3–6
cm in diameter and native to Southeast Asia.
According to University of Catania, Italy, a natural compound isolated from
lemon oil (Lem1) not only showed to significantly increase the antioxidative potential of skin
biosurface in healthy volunteers but lexhibited a strong antioxidant effects in
inhibition of free radical-mediated reactions, as evaluated in vitro and
in vivo(32) and may provide a better understanding of the endogenous
antioxidant potential of skin and the real validity of a natural antioxidant biotechnology in the antiaging management of the skin(33).
Taken altogether, the list of foods have been
found effectively in protection of photoagingnd alleviation of skin
symptoms due to aging, as well as through
influence of the expression of procollagen type I and MMP-1. As
always, all articles written by Kyle J. Norton are for information &
education only, please consult your Doctor & Related field
specialist before applying.
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