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

Society of Cosmetic Scientists of Korea (대한화장품학회)
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Antioxidative and Anti-inflammatory Effects of Petasites japonicus

머위추출물의 항산화와 항염증 효과

  • 김진화 (한불화장품(주) 기술연구소) ;
  • 나영 (한불화장품(주) 기술연구소) ;
  • 심관섭 (한불화장품(주) 기술연구소) ;
  • 이범천 (한불화장품(주) 기술연구소) ;
  • 표형배 (한불화장품(주) 기술연구소)
  • Published : 2006.12.30
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Abstract

Antioxidative and anti-inflammatory activities of Petasites japonicus extract were evaluated. P. japonicus extract showed 70.1% inhibition on peroxidation of linoleic acid. In the experiment using the cell permeable dye, 2',7'- dichlorofluorescein diacetate (DCFDA) as an indicator of reactive oxygen species (ROS) generation, intracellular oxidative stress in UVB-irradiated keratinocytes was shown to be decreased by P. japonicus extract. Also, UVB-induced production of interleukin-$1{\alpha}$ and prostaglandin $E_2$ in human HaCaT keratinocytes was reduced in a dose-dependent manner by treatment with P. japonicus extract. All these results suggest that P. japonicus extract can be effectively used for prevention of UV-induced adverse skin reactions such as radical production and inflammation.

태양광선과 산소는 피부세포에 자유라디칼(free radical)과 활성산소종(reactive oxygen species, ROS)을 생성시켜 세포막 지질의 과산화와 염증을 유발한다. 본 연구는 자외선에 의한 피부손상에 대한 머위추물물의 피부 보호효과에 대한 것으로 UVB가 조사된 각질형성세포에서이 항산화 및 염증관련 사이토카인의 억제효과를 측정하였다. 라디칼에 의한 지질과산화에 대한 억제효과는 $100{\mu}g/mL$에서 70.1%로 우수하게 나타났으며, 세포내에서 ROS에 의해 형광을 띠는 물질로 전환되는 $CM-H_2DCFDA$를 이용하여 ROS의 양을 측정한 결과 자외선에 의해 증가된 세포내 ROS의 양이 머위추출물을 처리함으로써 $500{\mu}g/mL$ 농도에서 45% 이상의 우수한 소거효과를 나타냈다. 또한 각질형성세포에서 UVB에 의해 생합성이 증가되는 $IL-1{\alpha}$ 및 $PGE_2$의 생합성 억제효과는 $100{\mu}g/mL$에서 각각 25.7%, 59.3%를 저해하는 것으로 우수한 효과를 나타내었다. 따라서 머위추출물은 각질형성세포에서 자외선 조사에 의한 피부손상에 대한 보호효과를 가진 화장품에서 우수한 소재로 적용될 수 있다.

Keywords

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