Healthy Food Black bean and Skin Aging

Posted by Chantel Martiromo 

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.
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).

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References
(a) Skin ageing: natural weapons and strategies by Binic I¹, Lazarevic V, Ljubenovic M, Mojsa J, Sokolovic D.(PubMed)
(b) Phytoconstituents as photoprotective novel cosmetic formulations by Saraf S¹, Kaur CD.(PubMed)
(c) Differential expression of cathepsins K, S and V between young and aged Caucasian women skin epidermis by Sage J¹, De Quéral D², Leblanc-Noblesse E², Kurfurst R², Schnebert S², Perrier E², Nizard C², Lalmanach G³, Lecaille F⁴.(PubMed)
(5) Study of active ingredients in black soybean sprouts and their safety in cosmetic use by Lai J¹, Xin C, Zhao Y, Feng B, He C, Dong Y, Fang Y, Wei S.(PubMed)
(6) Protective effect of anthocyanins from black soybean seed coats on UVB-induced apoptotic cell death in vitro and in vivo by Tsoyi K¹, Park HB, Kim YM, Chung JI, Shin SC, Shim HJ, Lee WS, Seo HG, Lee JH, Chang KC, Kim HJ.(PubMed)
(7) Anthocyanins from black soybean seed coats inhibit UVB-induced inflammatory cylooxygenase-2 gene expression and PGE2 production through regulation of the nuclear factor-kappaB and phosphatidylinositol 3-kinase/Akt pathway by Tsoyi K¹, Park HB, Kim YM, Chung JI, Shin SC, Lee WS, Seo HG, Lee JH, Chang KC, Kim HJ.(PubMed)