Journal of the Korean Society of Food Science and Nutrition (한국식품영양과학회지)

The Korean Society of Food Science and Nutrition (한국식품영양과학회)
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The Effects of Soybean Protopectinase on Melanin Biosynthesis

효소(Protopectinase) 처리한 대두가 세포내 멜라닌 생성에 미치는 영향

  • 유진균 (차바이오 에프앤씨 기업부설 연구소) ;
  • 이진희 (차바이오 에프앤씨 기업부설 연구소) ;
  • 조형용 (차바이오 에프앤씨 기업부설 연구소) ;
  • 김정국 (차바이오 에프앤씨 기업부설 연구소)
  • Received : 2012.11.05
  • Accepted : 2012.11.21
  • Published : 2013.03.31
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Abstract

This study was performed to assess the antioxidant activities and whitening effects of protopectinase enzymes and mechanical maceration from soybeans on melanin synthesis. The whitening effects of enzyme treatment and mechanical maceration were examined by an in vitro mushroom tyrosinase assay and by assessing markers in B16BL6 melanoma cells. We assessed inhibitory effects on the expression of melanogenic enzymes, including tyrosinase, tyrosinase-related protein 1 (TRP-1), and tyrosinase-related protein 2 (TRP-2) in B16BL6 cells. Inhibitory effects on free radical generation were determined by measuring DPPH and hydroxyl radical scavenging activities. In DPPH radical scavenging activity, enzyme treatment and mechanical maceration had a potent anti-oxidant activity in a dose-dependent manner and significantly inhibited tyrosinase activity in vitro and in B16BL6 melanoma cells. There was also an inhibition in the expression of tyrosinase, TRP-1, and TRP-2 in B16BL6 melanoma cells. Our results show that soybean protopectinase treatment inhibits melanogenesis, with the underlying mechanism possibly due to the inhibition of tyrosinase activity and tyrosinase, TRP-1, and TRP-2 expression. We suggest that soybean protopectinase should be contained as natural active ingredients for antioxidant and whitening cosmetics.

본 연구에서는 효소처리 한 대두추출물의 항산화 및 미백 효과를 확인하기 위하여 DPPH 및 hydroxyl radical 포착활성을 측정하였고, 멜라닌 생성의 첫 단계인 tyrosinase 활성, mouse melanoma B16BL6 세포 생존율 및 TRP-1, TRP-2 발현 저해활성을 측정하였다. 또한 기존의 기계적 마쇄 가공한 대두추출물과 효소처리 가공한 대두추출물의 항산화 및 미백효과를 비교 조사하였다. 효소처리 한 대두추출물의 DPPH radical 소거능과 hydroxyl radical 소거능이 마쇄처리 한 추출물보다 높았으며, 특히 효소처리군이 마쇄군에 비하여 20% 이상 높은 항산화력을 나타내었다. 또한 마쇄군에 비하여 효소처리군이 tyrosinase와 TRP-1, TRP-2의 더 높은 활성 억제능을 보였다. 이는 대두가 B16BL6 melanoma 세포의 tyrosinase 단백질의 활성을 저해시킴으로써 멜라닌 생성을 억제하는데 효과적임을 의미하는 동시에 효소처리에 의하여 대두의 영양소의 손실이 더 적었음을 나타낸다. 결론적으로 효소처리에 의한 대두 추출물은 항산화 활성과 미백 효과가 우수하여 기능성 화장품의 천연 소재로서 활용 가능성이 매우 높은 것으로 사료된다.

Keywords

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