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논문 기본 정보

자료유형
학술저널
저자정보
이희경 (농업회사법인(유)청솔식품 기업부설연구소 연구소장) 최두복 (조선대학교) 최온유 (청솔식품연구소 연구원)
저널정보
국제차문화학회 차문화산업학 차문화산업학 제59권
발행연도
2023.3
수록면
1 - 28 (28page)
DOI
10.21483/qwoaud.59..202303.1

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The aim of this research was to investigate the inhibitory effects of oxidative stress, tyrosinase, L-DOPA auto-oxidation, and melanogenesis for whitening effect using tea plant root’s crude saponin. The inhibitory effects of oxidative stress, tyrosinase, L-DOPA auto-oxidation, and melanogenesis increased depending on the concentration of tea plant root's crude saponin. when the concentration of tea plant root’s crude saponin was increased from 50 µg/mL. to 500 µg/mL with SNP 0.3 mM, the survival rate of HepG2 cell was increased from 57.58% to 65.78%, which was about 1.36 fold increase compared negative control without saponin. The maximum inhibitory activity of tyrosinase in Clone-M3 cell was obtained, 61.34% when the tea plant root’s saponin concentrations was 300 µg/mL. The maximum activity of L-DOPA auto-oxidation inhibition was 36.24% at 300 µg/mL. It was confirmed that this plays a major role in the reaction of converting L-tyrosine, which is known to slow down the initial rate determination step, into DOPA in melanin production. The melanin inhibitory activity in Clone-M3 cell with α-MSH were increased from 3.71% to 27.84%, when the crude saponin concentrations were increased from 25µg/mL, to 300µg/mL. Tea plant root’s crude saponin means that it is effective in inhibiting melanin production by inhibiting the activity of tyrosinase proteins in Clone-M3 cells.

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