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Abstract Title:

Cytoprotective effect of green tea extract and quercetin against hydrogen peroxide-induced oxidative stress.

Abstract Source:

Arch Pharm Res. 2005 Nov;28(11):1251-6. PMID: 16350851

Abstract Author(s):

Yun-Mi Jeong, Yeong-Gon Choi, Dong-Seok Kim, Seo-Hyoung Park, Jin-A Yoon, Sun-Bang Kwon, Eun-Sang Park, Kyoung-Chan Park

Abstract:

In this study, we evaluated the cytoprotective effects of antioxidative substances in hydrogen peroxide (H2O2) treated Mel-Ab melanocytes. Tested substances include selenium, quercetin, green tea (GT) extract, and several vitamins (ascorbic acid, Trolox, and folic acid). Of these, both quercetin and GT extract were found to have strong cytoprotective effects on H2O2-induced cell death. We also examined additive effects, but no combination of two of any of the above substances was found to act synergistically against oxidative damage in Mel-Ab cells. Nevertheless, a multi-combination of GT extract, quercetin, and folic acid appeared to prevent cellular damage in a synergistic manner, which suggests that combinations of antioxidants may be of importance, and that co-treatment with antioxidants offers a possible means of treating vitiligo, which is known to be related to melanocyte oxidative stress.

Study Type : In Vitro Study

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Sayer Ji
Founder of GreenMedInfo.com

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