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Whitening Effect of Banana Leaf Extract

바나나잎 추출물의 미백 개선 효과

  • 황형서 (세명대학교 한방화장품과학과) ;
  • 유대성 ((주)에이씨티 R&D Center) ;
  • 심중현 (세명대학교 한방화장품과학과)
  • Received : 2015.11.27
  • Accepted : 2016.12.15
  • Published : 2016.03.30

Abstract

This research was carried out to identify the whitening effect of Banana leaf extract. B16F10 cells were used to measure cell viability, mRNA expression, and tyrosinase activity inhibition assay from B16F10 cell. We also carried out clinical test of the cream product containing banana leaf extract. In this study, we elucidated the effects of banana leaf extract on TRP1 / TRP2 / Tyr mRNA expression and tyrosinase activity inhibition. Quantitative real-time PCR showed that banana leaf extract decreased mRNA level of TRP1, TRP2 and Tyr gene and tyrosinase activity inhibition assay also revealed that banana leaf extract 65% decreased melanin production in B16F10 cell. Banana leaf extract cream can whiten the skin darkness induced by ultraviolet. Therefore, we successfully identified the whitening effect of banana leaf extract, and this finding suggested the banana leaf extract is a considerable potent cosmetic ingredient for skin whitening. Based on this, we anticipated further researches about banana leaf extract for mechanism to develop not only cosmetics but healthcare food or medicines.

바나나잎의 기능성화장품 소재로써 응용 가능성을 규명하고자 바나나잎 추출물이 피부 미백에 미치는 효과를 B16F10 세포주를 활용하여 cell viability, mRNA 발현 및 tyrosinase (Tyr) 활성 저해 실험을 통하여 알아보았다. 10%의 바나나잎 추출물은 tyrosinase 활성을 저해하고, 멜라닌 합성을 65% 감소시키는 것을 확인하였다. 정량적 real-time RT-PCR을 수행한 결과 바나나잎 추출물이 tyrosinase related protein 1 (TRP1) / tyrosinase related protein 2 (TRP2) / tyrosinase mRNA 발현을 각각 20 / 40 / 60% 가량 억제하는 효과를 확인하였다. 또한 바나나잎 추출물이 함유된 크림제형의 임상시험을 수행하여 자외선 조사 직후 바나나잎 추출물이 함유된 크림의 육안평가 결과 유의한 미백효과가 있는 것을 확인하였다. 본 연구 결과는 바나나잎 추출물이 미백 기능성 화장품 소재 뿐 아니라 향후 기전 연구 수행을 통해 다양한 산업화 소재로 개발될 수 있음을 시사한다.

Keywords

Acknowledgement

Supported by : 세명대학교

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