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• W2606280234 abstract "본 연구에서는 화장품 신소재 개발을 위해 한의약적 포제법을 적용하여 흰점박이꽃무지 추출물을 제조하고 포제방법에 따른 항염 및 미백활성을 평가하였다. 모든 실험은 생(生), 1회 초법(炒法), 2회 초법(炒法), 3회 초법(炒法), 증법(蒸法)을 적용한 흰점박이꽃무지를 이용하였다. 각 포제법을 적용한 흰점박이꽃무지의 용매별 (80% 에탄올, 50% 에탄올, 에틸아세테이트, 헥산) 추출물에 대한 1,1-diphenyl-2-picrylhydrazyl (DPPH) 라디칼 소거 활성은 각각 85.5, 22.4, 37.0 및 19.4%의 효과를 나타내었다. 따라서 이후의 실험은 항산화 활성이 가장 큰 80% 에탄올 추출물을 이용하였다. 포제법을 적용한 흰점박이꽃무지 추출물과 포제법을 적용하지 않은 추출물 모두 농도 의존적으로 항산화능을 나타냈으며, <TEX>$500{mu}g/mL$</TEX> 농도에서 포제법을 적용한 3회 초법 및 증법은 superoxide dismutase (SOD)-like 활성이 각각 62.9 및 55.9%를 나타냈다. Lipopolysaccharide (LPS)로 염증이 유도된 RAW 264.7 세포에 포제법을 적용한 흰점박이꽃무지 추출물을 처리하였을 때, LPS를 단독으로 처리한 양성 대조군보다 포제법을 적용하지 않은 흰점박이꽃무지 추출물(38.0%), 1회 초법(41.0%), 2회 초법(69.8%), 3회 초법(70.1%), 증법(78.5%) 순으로 염증 매개물질인 <TEX>$NO{cdot}$</TEX> 생성이 유의적으로 감소하였다. 세포 내 tyrosinase 저해 활성 및 멜라닌 생합성 저해 효과를 확인한 결과, 농도 의존적으로 tyrosinase 저해 활성 및 멜라닌 생성 억제 활성을 나타내었다. 포제하지 않은 흰점박이꽃무지 추출물은 <TEX>$500{mu}g/mL$</TEX> 농도에서 <TEX>${alpha}$</TEX>-MSH만 처리한 대조군과 비교하여 멜라닌 생합성을 90.7% 감소시켰다. 이상의 결과들은 항염이나 미백활성이 있는 화장품 소재 개발에 포제법을 적용할 수 있음을 시사한다. In order to find new functional materials for the cosmetics application, we investigated anti-inflammatory and whitening effects of the Protaetia brevitarsis seulensis (P. brevitarsis) extracts, which were prepared by the various oriental conversion methods, as follows; fresh, roasted one time, roasted two times, roasted three times, and steamed. 2,2-diphenyl-2-picrylhydrazyl (DPPH) radical scavenging activities of the various solvent extracts (80% ethanol, 50% ethanol, ethyl acetate, hexane) of P. brevitarsis extracts were 85.5, 22.4, 37.0 and 19.4% respectively. The 80% ethanol extract with the highest antioxidant activity was used for all experiments. In case of antioxidant activity test of the extracts, all the extracts showed the activities in concentration dependent manner regardless of the sample preparation methods. Superoxide dismutase-like (SOD-like) activities of the extracts roasted three times and steamed were 62.9 and 55.9%, respectively in <TEX>$500{mu}g/mL$</TEX>. Effects of extracts on the inflammation of RAW 264.7 cell induced by lipopolysaccharide (LPS) showed decreasing tendency of <TEX>$NO{cdot}$</TEX> and prostaglandin <TEX>$E_2$</TEX> (<TEX>$PGE_2$</TEX>) production; PBS fresh (38.0%), PBS roasted one time (41.0%), PBS roasted two times (69.8%), PBS roasted three times (70.1%), PBS steamed (78.5%). Intracellular tyrosinase and melanin biosynthesis inhibitory activities of the extracts were decreased in a concentration dependent manner. However, the fresh P. brevitarsis extracts without the oriental conversion method showed 90.7% decrease compared to the control group treated with <TEX>${alpha}$</TEX>-MSH alone at <TEX>$500{mu}g/mL$</TEX>. Taken together, these results suggest the oriental conversion method can be applied in development of cosmetic materials in order to improve anti-inflammatory and whitening effects of the cosmetics products." @default.
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• W2606280234 date "2016-12-30" @default.
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• W2606280234 title "Anti-inflammatory and Whitening Effects of Protaetia brevitarsis Seulensis Extracts by Oriental Conversion Methods" @default.
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