생명과학회지 (Journal of Life Science)

  • 제22권7호
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  • Pages.936-942
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  • 2012
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  • 1225-9918(pISSN)
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  • 2287-3406(eISSN)
한국생명과학회 (Korean Society of Life Science)
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매실추출물이 활성산소종 소거효과와 B16F1 세포에서 멜라닌 생성에 미치는 영향

Effect of Fruit Extract of Prunus mume on the Scavenging Activity of Reactive Oxygen Species and Melanin Production in B16F1 Cells

  • 투고 : 2012.04.12
  • 심사 : 2012.07.17
  • 발행 : 2012.07.30
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초록

매실나무(Carthamus tinctorius L.)는 한국, 일본과 중국에서 전통적으로 약효가 있는 음식으로 사용되어 왔다. 특히 과일은 위염증 및 위궤양에 도움이 되는 생물학적 효과가 있다고 보고되었다. 그러나 피부미백과 관련된 효능에 대한 연구는 이직까지 미진하다. 따라서, 본 연구에서는 항산화 및 피부미백에 대한 매실추출물의 효능이 조사되었다. MTT assay를 이용한 세포생존에 대한 결과로 매실추출물은 0.1% 이하의 농도에서 세포독성이 없는 것으로 나타났다. 다음에 매실추출물의 환원력 뿐만 아니라 DPPH radical, hydrogen peroxide 및 superoxide에 대한 직접적인 소거효과가 in vitro에서 평가되었다. 그것은 이상의 활성산소종에 대한 소거효과를 발휘하게 하는 우수한 환원력을 가지고 있다. 더욱이 산화적 스트레스와 연관된 genomic DNA 손상에 대한 보호효과가 농도에 따라 증가하는 것이 관찰 되었다. 뿐만 아니라 L-dopa에 의하여 유발되는 멜라닌 생성에 대한 억제효과를 나타내었다. 그것은 또한 Western blot 분석에서 항산화와 괸련된 NRF-2, SOD-1 및 SOD-2 발현수준을 감소시킨다는 것이 발견되었다. 이러한 결과들은 매실추출물이 항산화에 의한 멜라닌생성의 억제를 통하여 피부 미백효과를 발휘할 수 있다는 것을 암시한다.

Prunus mume has been traditionally used as a medicinal food in Korea, Japan, and China. In particular, this fruit has been reported to have beneficial biological effects on gastritis and gastric ulcers. However, its action in relation to skin whitening has remained unclear. Accordingly, the effects of fruit extract of P. mume related to antioxidation and skin whitening were examined in this study. First, using the MTT assay, it was observed that fruit extract of P. mume below 0.1% has no cytotoxicity in B16-F1 cells as a result of cell viability. Second, the direct scavenging effects and the reducing power of the fruit extract of P. mume were evaluated in vitro on DPPH radicals, hydrogen peroxide, and superoxide. It exhibited high reducing power and scavenging activity on the aforementioned reactive oxygen species. Furthermore, we found that its protective effect against genomic DNA damage related to oxidative stress was increased in a dose-dependent manner. In addition, the fruit extract of P. mume had an inhibitory effect on melanin production induced by L-dopa. In addition, it reduced the expression level of NRF-2, SOD-1, and SOD-2 related to antioxidation in western blot analysis. These results suggest that fruit extract of P. mume could exert a whitening effect through inhibition of melanin production by its antioxidant effect.

키워드

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