Effect of Dioscorea Aimadoimo on Anti-aging and Skin Moisture Capacity

마의 항노화 및 피부 보습 효과

  • Kim, Dae-Sung (Department of Herbal Resources, Professional Graduate School of Oriental Medicine, Wonkwang University) ;
  • Jeon, Byoung-Kook (Department of Herbal Resources, Professional Graduate School of Oriental Medicine, Wonkwang University) ;
  • Mun, Yeun-Ja (Department of Anatomy, College of Oriental Medicine, Wonkwang University) ;
  • Kim, Yeong-Mok (Department of Oriental Pathology, College of Oriental Medicine, Wonkwang University) ;
  • Lee, Young-Eun (Department of Food and Nutrition, College of Environmental Resources, Wonkwang University) ;
  • Woo, Won-Hong (Department of Herbal Resources, Professional Graduate School of Oriental Medicine, Wonkwang University)
  • 김대성 (원광대학교 한의학전문대학원 한약자원개발학과) ;
  • 전병국 (원광대학교 한의학전문대학원 한약자원개발학과) ;
  • 문연자 (원광대학교 한의과대학 해부학교실) ;
  • 김영목 (원광대학교 한의과대학 병리학교실) ;
  • 이영은 (원광대학교 생활과학대학 식품영양학과) ;
  • 우원홍 (원광대학교 한의학전문대학원 한약자원개발학과)
  • Received : 2011.04.26
  • Accepted : 2011.06.08
  • Published : 2011.06.25

Abstract

This study evaluated the effect of extraction conditions of yam (Dioscorea aimadoimo) on antioxidant, moisturizing, collagenase activity, proliferation, and migration. Yam has been recognized as a healthy food due to its various biological activities, such as anti-obesity, anti-constipation, anti-mutagenic activities, as well as its ability to decrease blood glucose and cholesterol levels. Electron donating ability of high temperature ethanol extract of Dioscorea aimadoimo (HDA) had shown 70.6% at 400 mg/ml, and low temperature ethanol extract of Dioscorea aimadoimo (LDA) had shown 40% at 400 mg/ml. SOD-like activities of LDA and HDA were 23% and 34% at 400 mg/ml respectively. LDA significantly reduced the activity of collagenase in a dose-dependent manner, which was higher than HDA. The water contents in LDA-treated skin and HDA-treated skin were increased by 45.63% and 38.65% than the placebo cream respectively. The cellular proliferation of human dermal fibroblast neonatal (HDFn) was evaluated by MTT and cell migration assay. Compared to control, the cell proliferation was elevated to 109.7% and 114% by the treatment of LDA and HDA respectively at the concentration of 200 mg/ml. In addition, LDA and HDA were induced cell migration in HDFn. Our study suggests that LDA and HDA should be a very useful cosmetic ingredient, as anti-aging and skin moisturizer.

Keywords

References

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