딸기 꽃받침 생리활성 물질로부터 항산화 화장품 소재 개발

Alternative Title
SEO SEUNGYEON
Author(s)
서승연
Alternative Author(s)
SEO SEUNGYEON
Advisor
변상요
Department
일반대학원 응용생명공학과
Publisher
The Graduate School, Ajou University
Publication Year
2012-02
Language
kor
Keyword
딸기꽃받침항산화미백생리활성
Abstract
화장품에 응용 가능한 소재를 찾기 위한 목적으로 딸기의 과육, 줄기, 꽃받침으로 나누어 Ethanol로 72시간 추출한 후, 항산화 및 세포 독성, mushroom tyrosinase inhibition을 관찰하였다. 그 결과 딸기 꽃받침에서의 결과가 화장품에의 응용 가능성이 높아, 딸기 꽃받침을 80% methanol로 추출하고, 이를 다시 에칠아세테이트, 부탄올, 물 층의 3개로 분획하였다. 특히, 에칠아세테이트 층의 물질들을 단리하여 1H-NMR, 13C-NMR, DEPT을 이용하여 구조 분석한 결과, 지표성분으로 oleanolic acid의 존재를 확인하였다. 계속해서 oleanolic acid의 농도별 세포독성, melanoma B16 F10의 멜라닌 생성 세포의 억제 효과를 측정하였다. 그 결과 3.125㎍/㎖~6.25㎍/㎖의 농도에서 melanoma B16 F10의 멜라닌 생성 억제 효과가 유의적으로 보였으며, 세포독성도 나타나지 않았다. 따라서 딸기 꽃받침 추출물은 항산화 및 미백효과 면에서 기능성 화장품 천연성분으로의 사용이 가능할 것으로 사료된다.
Alternative Abstract
In search of substances applicable in cosmetics, the flesh, stem, and calyx of the strawberry were extracted with ethanol for 72 hours and the anti-oxidant and cytotoxicity, and mushroom tyrosinase inhibition was observed. As a result, the applicability in cosmetic products was the highest in the extract of strawberry calyx, which was then extracted with 80% methanol and fractionated with ethyl acetate, butanol, and water layers. In particular, the substances from the ethyl acetate layer were isolated and structurally analyzed using 1H-NMR, 13C-NMR, and DEPT, and the presence of oleanolic acid as a marker compound was identified. Then, the cytotoxicity of the oleanolic acid by concentration and the inhibitory effect of melanoma B16 F10 on melanocytes was measured. The results showed that the inhibitory effect of the melanoma B16 F10 on melanocytes was significant at 3.125㎍/㎖~6.25㎍/㎖ and no cytotoxicity was observed. Therefore, it is considered that the extract of strawberry calyx can be used as a natural ingredient for functional cosmetics in the aspect of anti-oxidation or whitening.
URI
https://dspace.ajou.ac.kr/handle/2018.oak/18128
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Graduate School of Ajou University > Department of Applied Biotechnology > 3. Theses(Master)
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