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고로쇠 및 우산고로쇠나무의 부위별 미백 및 피부면역 활성
정명훈 ( Myoung Hoon Jeong ),김승섭 ( Seung Seop Kim ),김지선 ( Ji Seon Kim ),이학주 ( Hak Ju Lee ),최근표 ( Geun Pyo Chio ),이현용 ( Hyeon Yong Lee ) 한국산림과학회 2010 한국산림과학회지 Vol.99 No.4
UV-protection skin whitening and immune activities several parts of Acer mono and Acer okamotoanum were investigated. The bark of both Acer mono and Acer okamotoanum had higher yields than other parts as 2.67% and 2.45%. The cytotoxicity of the extracts were lower than 21.64% against human skin cell(CCD-986sk) line in adding 1.0 mg/mL of the highest concentration. The bark extracts of Acer mono greatly reduced the expression of MMP-I on UV-irradiated CCD-986sk cells down to as 30%. At 1.0 mg/mL of bark extration of Acer mono, PGE(2) expression was also significantly decreased. Generally, the bark extracts of Acer mono and Acer okamotoanum had higher activity than other parts, but, interestingly, wood extract of Acer okamoloanum showed strong inhibition effect on melanin production by Clone-M3 cells as 79.25%. From these results, we could conclude that the bark extract from Acer mono and Acer okamoloanum had skin-whitening activity as well immune enhancement activity.