Journal of the Society of Cosmetic Scientists of Korea (대한화장품학회지)

Society of Cosmetic Scientists of Korea (대한화장품학회)
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Antioxidative and Antiaging Effects of Persicaria hydropiper L. Extracts

여뀌 추출물의 항산화 및 항노화에 관한 연구

  • Kim, Eun-Hee (Department of Fine Chemistry, College of Nature and Life Science, Seoul National University of Technology) ;
  • Kim, Jung-Eun (Department of Fine Chemistry, College of Nature and Life Science, Seoul National University of Technology) ;
  • Park, Soo-Nam (Department of Fine Chemistry, College of Nature and Life Science, Seoul National University of Technology)
  • 김은희 (서울산업대학교 자연생명과학대학 정밀화학과) ;
  • 김정은 (서울산업대학교 자연생명과학대학 정밀화학과) ;
  • 박수남 (서울산업대학교 자연생명과학대학 정밀화학과)
  • Published : 2009.12.30
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Abstract

In this study, we investigated the antioxidative activity and inhibitory effects on elastase and tyrosinase of Persicaria hydropiper L. extracts. The free radical (1,1-diphenyl-2-picrylhydrazyl, DPPH) scavenging activities ($FSC_{50}$) of ethyl acetate fractions of Persicaria hydropiper L. was $5.23\;{\mu}g/mL$. Reactive oxygen species (ROS) scavenging activities ($OSC_{50}$) of some Persicaria hydropiper L. extracts on ROS generated in $Fe^{3+}$-EDTA/$H_2O_2$ system were investigated using the luminol - dependent chemiluminescence assay. The ROS scavenging activities ($OSC_{50}$) of ethyl acetate fractions of Persicaria hydropiper L. was $0.40\;{\mu}g/mL$. The protective effects of extract / fractions of Persicaria hydropiper L. on the rose-bengal sensitized photohemolysis of human erythrocytes were investigated. The Persicaria hydropiper L. extracts suppressed photohemolysis in a concentration dependent manner ($1\;{\sim}\;10\;{\mu}g/mL$). Inhibitory effects ($IC_{50}$) on tyrosinase of aglycone fraction of Persicaria hydropiper L. extracts was $8.90\;{\mu}g/mL$. Inhibitory effects ($IC_{50}$) on elastase of aglycone fraction of Persicaria hydropiper L. extracts was $2.37\;{\mu}g/mL$. These results indicate that extract / fractions of Persicaria hydropiper L. can function as antioxidants in biological systems, particularly skin exposed to UV radiation by anti-oxidative activity and protect cellular membranes against ROS. Persicaria hydropiper L. extract / fractions could be used as a new cosmeceutical for whitening and anti-wrinkle products.

본 연구에서는 여뀌 추출물의 항산화, 미백, 항주름 효과를 통한 항노화 활성을 조사하였다. 여뀌 추출물의 free radical (1,1-diphenyl-2-picrylhydrazyl, DPPH) 소거활성($FSC_{50}$)은 분획물 중 ethyl acetate 분획에서 $5.23\;{\mu}g/mL$로 가장 큰 활성을 나타내었다. Luminol-의존성 화학발광법을 이용한 $Fe^{3+}$-EDTA/$H_2O_2$계에서 생성된 활성산소종(reactive oxygen species, ROS)에 대한 여뀌 추출물의 총 항산화능은 분획물 중 ethyl acetate 분획($0.40\;{\mu}g/mL$)이 큰 활성을 나타내었다. 여뀌 추출물에 대하여 rose-bengal로 증감된 사람 적혈구의 광용혈에 대한 억제 효과를 측정하였다. 여뀌 추출물의 경우 $1\;{\sim}\;10\;{\mu}g/mL$의 농도에서 광용혈을 억제하였다. 미백 및 주름억제 효과측정으로는 각각 tyrosinase 및 elastase의 활성 저해 효과를 측정하였다. Tyrosinase의 활성 저해 효과($IC_{50}$)는 aglycone 분획($8.90\;{\mu}g/mL$) 에서, elastase의 활성 저해 효과($IC_{50}$)도 aglycone 분획($2.37\;{\mu}g/mL$)에서 가장 큰 저해활성을 나타났다. 여뀌 추출물중 ethyl acetate 분획과 aglycone 분획에 대한 실험 결과로부터 항산화, 항노화 화장품 원료로서의 가능성을 확인하였다.

Keywords

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