Antibaterial Activity of Persicaria hydropiper Extracts and Its Application for Cosmetic Material

여뀌 추출물의 항균 활성과 화장품소재로서의 응용

  • Kim, Jung-Eun (Department of Fine Chemistry, Research Center for Development of Green Cosmetic, College of Nature and Life Science, Seoul National University of Technology) ;
  • Kim, Eun-Hee (Department of Fine Chemistry, Research Center for Development of Green Cosmetic, College of Nature and Life Science, Seoul National University of Technology) ;
  • Park, Soo-Nam (Department of Fine Chemistry, Research Center for Development of Green Cosmetic, College of Nature and Life Science, Seoul National University of Technology)
  • 김정은 (서울산업대학교 자연생명과학대학 정밀화학과, 그린코스메틱연구개발센터) ;
  • 김은희 (서울산업대학교 자연생명과학대학 정밀화학과, 그린코스메틱연구개발센터) ;
  • 박수남 (서울산업대학교 자연생명과학대학 정밀화학과, 그린코스메틱연구개발센터)
  • Received : 2010.02.22
  • Accepted : 2010.03.18
  • Published : 2010.03.28

Abstract

In this study, the antibacterial activity and the moisturizing effect of cream contaning Persicaria hydropiper L. extract were investigated by clinical trial. MIC values of ethyl acetate fraction from Persicaria hydropiper on P.acnes, S.aureus, P.ovale were 0.13~0.25%. The results showed that the antibacterial activity of the ethyl acetate fraction was higher than or equal to the methyl paraben and quercetin. The cream containing the ethyl acetate fraction of Persicaria hydropiper L. extracts was formulated for skin hydration effect. Also, the transepidermal water loss (TEWL) and the water contents in skin were measured. The cream containing Persicaria hydropiper L. extract was applied to the right lower arm. After 180 min, TEWL of parts was decreased as $6.5\;g/m^2h$ (experimental cream) and $7.5\;g/m^2h$ (placebo cream) respectively. And the water contents in skin were increased by 2~4% than the placebo cream. These results indicate that extract/fractions of Persicaria hydropiper L. can function as high potential as bactericide against the skin pathogenic bacteria and the increase of skin hydration of the cream containing extract could be applicable to new functional cosmetics for antiaging.

본 연구에서는 여뀌 추출물의 항균 작용과 여뀌 추출물을 함유한 크림을 제조하여 인체 피부에서의 보습 효능을 측정하였다. 여뀌 추출물의 P. acnes, S. aureus, P. ovale에 대한 MIC를 측정한 결과 0.13~0.25%로 비교물칠인 methyl paraben, quercetin과 비슷하거나 낮은 MIC로 큰 항균 활성을 나타내였다. 또한 여뀌 추출물의 ethyl acetate 분획 함유 크림을 피부에 도포한 후 180 min 동안 경표피 수분 손실량과 피부 수분 함량의 변화를 측정한 결과 여뀌 추출물의 ethyl acetate 분획 함유 크림 이 피부에 우수한 보습 효과를 나타냄을 확인하였다. 경표피 수분 손실량은 무도포한 부분의 수분 손실량은 $7.5\;g/m^2h$, 여뀌 추출물 함유 크림은 $6.5\;g/m^2h$으로, 여뀌 추출물을 함유한 크림이 경표피 수분 손실량을 감소시킴을 알 수 있었다. 또한 피부 수분 보유량 은 placebo 크림에 비하여 여뀌 추출물 함유 크림은 2~4%의 증가율을 보였다. 여뀌 추출물 중 ethyl acetate 분획과 aglycone 분획에 대한 실험 결과로부터 항균, 항노화 화장품 원료로서의 가능성을 확인하였다.

Keywords

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