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Antioxidant and Glycation Inhibitory Activities of Gold Kiwifruit, Actinidia chinensis
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  • Antioxidant and Glycation Inhibitory Activities of Gold Kiwifruit, Actinidia chinensis
  • Antioxidant and Glycation Inhibitory Activities of Gold Kiwifruit, Actinidia chinensis
저자명
Lee. Yan-Houy,Hong. Chong-Oui,Nam. Mi-Hyun,Kim. Ji-Hoon,Ma. Yuanyuan,Kim. Young-Bu,Lee. Kwang-Won
간행물명
Journal of the Korean Society for Applied Biological Chemistry
권/호정보
2011년|54권 3호|pp.460-467 (8 pages)
발행정보
한국응용생명화학회
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정기간행물|ENG|
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

Oxidative stress has been postulated to contribute significantly to the accelerated accumulation of advanced glycoxidation endproducts (AGEs) in collagen, which is implicated in the process of skin aging. Effectiveness of Actinidia chinensis, commonly called gold kiwifruit, in counteracting skin aging was investigated. Firstly, primary crude 70% ethanolic extracts of whole A. chinensis, pulp, and rind were screened for their in vitro antioxidant activities and anti-glycation activity by using 1,1-diphenyl-2-picrylhydrazyl (DPPH), Ferric Reducing Antioxidant Power (FRAP) assay, and bovine serum albumin-derived glycation model. Result indicated that rind portion exhibited significantly (p<0.05) high antioxidant activity as well as high phenolic and flavonoid contents compared to those of pulp and whole A. chinensis. Thus, rind was selected for further fractionated with hexane, chloroform, ethyl acetate, and butanol. Among these solvent fractions, A. chinensis rind ethyl acetate (ACRE-E) had the greatest radical-scavenging activity and reducing power, comparable to standard antioxidant, vitamin C. Immunofluorescence staining was used to determine AGEs distribution in glycated collagen matrix. ACRE-E inhibited formation of 67% AGEs. High Performance Liquid Chromatography analysis revealed phenolic compound of ACRE-E as quercetin-3-rhamnoside. High antioxidant and anti-glycation activities of ACRE-E in glycated collagen model indicate its contribution to anti-aging process. A. chinensis rind, previously considered as a byproduct, may have potential as a low-cost raw material for cosmetic and pharmaceutical industries.