한국미생물·생명공학회지 (Microbiology and Biotechnology Letters)

  • 제49권4호
  • /
  • Pages.485-492
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  • 2021
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  • 1598-642X(pISSN)
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  • 2234-7305(eISSN)
한국미생물·생명공학회 (The Korean Society for Microbiology and Biotechnology)
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B16F10 세포에서의 오크라 추출물의 미백 활성 검증

Whitening Effect of Abelmoschus esculentus on Melanoma Cells (B16F10)

  • 유단희 (서원대학교 융복합대학) ;
  • 이인철 (서원대학교 바이오코스메틱학과)
  • Yoo, Dan-Hee (College of Fusion and Convergence, Seowon University) ;
  • Lee, In-Chul (Department of Bio-Cosmetic Science, Seowon University)
  • 투고 : 2021.07.16
  • 심사 : 2021.09.09
  • 발행 : 2021.12.28
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초록

본 연구는 오크라 추출물의 미백 효과를 검증하여 화장품 소재로서 활용가능성을 확인하고자 하였다. 먼저, 오크라 열수 및 70% 에탄올 추출물의 미백효과를 tyrosinase의 효소 억제 활성으로 측정한 결과, 최종 농도인 1,000 ㎍/ml 농도에서 22.2%, 32.8%의 저해활성 효과를 보였다. 세포 차원에서 미백효과를 측정하기 위해 오크라 열수 및 에탄올 추출물의 세포 생존율을 melanoma cell (B16F10)에서 MTT assay법을 이용하여 측정하였다. 그 결과, 오크라 열수 및 70% 에탄올 추출물에서 100 ㎍/ml 농도에서 95% 이상의 생존율을 보였으며, 세포 독성이 나타나지 않은 농도 이하에서 멜라닌 생합성을 확인하기 위해 실험을 진행하였으며, 농도 의존적으로 멜라닌 합성을 저해하는 것을 확인하였다. 오크라 열수 및 70% 에탄올 추출물의 단백질 발현억제 효과를 5, 10, 50, 100 ㎍/ml의 농도에서 western blot으로 측정하였으며, 양성대조군으로 β-actin을 사용하였다. 그 결과, 오크라 열수 추출물은 100 ㎍/ml 농도에서 MITF, tyrosinase, TRP-1, TRP-2 인자들은 각각 88.1%, 24.8%, 62.2%, 42.9%의 효과를 나타내었다. 오크라 70% 에탄올 추출물은 100 ㎍/ml 농도에서 MITF, tyrosinase, TRP-1, TRP-2 인자들은 각각 65.3%, 58.3%, 66.2%, 65.3%의 효과를 나타내었다. 결론적으로 오크라 열수 및 70% 에탄올 추출물의 미백 효과가 검증되었으며, 기능성 화장품 소재로서 활용가능성을 확인하였다.

In this study, the whitening effect of Abelmoschus esculentus extract was investigated to confirm its applicability in cosmetics. To determine the whitening effect, the tyrosinase-inhibitory activity of Abelmoschus esculentus hot water extract (AEWE) and 70% ethanol extract (AEEE) was measured. At the final concentration of 1000 ㎍/ml, AEWE showed an inhibitory activity of 22.2% and AEEE of 32.8%. To determine the whitening effect at the cellular level, the viability of melanoma cells treated with AEWE and AEEE was evaluated using the MTT assay. At concentrations of 100 ㎍/ml or less, both AEWE- and AEEE-treated groups showed cell survival rates of >95%. Furthermore, in both AEWE- and AEEE-treated melanoma cells, the melanin content decreased in a concentration-dependent manner. The inhibitory effects of AEWE and AEEE used at 5, 10, 50, and 100 ㎍/ml on protein expression were measured by western blot, with β-actin as the positive control. At a concentration of 100 ㎍/ml, AEWE showed an inhibitory effect of 88.1%, 24.8%, 62.2%, and 42.9% on microphthalmia-associated transcription factors (MITF), tyrosinase, tyrosinase-related proteins (TRP)-1, and TRP-2 factors, respectively. At the same concentration, AEEE showed inhibitory effect of 65.3%, 58.3%, 66.2%, and 65.3% against MITF, tyrosinase, TRP-1, and TRP-2 factors, respectively. In conclusion, the whitening effects of AEWE and AEEE were verified, and their applicability as a natural ingredient in cosmetics was confirmed.

키워드

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