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최주호,최정화,박수연,김종한,정민영,Choi, Ju-Ho,Choi, Jeong-Hwa,Park, Soo-Yoen,Kim, Jong-Han,Jeong, Min-Yeong 대한한방안이비인후피부과학회 2014 한방안이비인후피부과학회지 Vol.27 No.1
Objective : Lycii Fructus Extracts(LFE) can do Anti-hypertension activity, Antidepressant, Anti-diabetic activity. This study was designed to investigate effects of LFE on skin whitening and elasticity using melanoma cells. Methods : In this experiment, effect of LFE on cell viability, inhibition of melanin synthesis and inhibitory effect on tyrosinase and elastase. Results : More than $250{\mu}g/ml$ of LFE treated group showed lowered proliferation rates significantly compared to non-treated group. More than $125{\mu}g/ml$ of LFE treated groups were lower levels of melanin synthesis respectively. LFE showed inhibitory effect on tyrosinase activities in vitro. And, LFE suppressed tyrosinase activities in B16F10 cells significantly. Finally, LFE suppressed elastase type I and IV activities in dose-dependent manner in vitro. And LFE also slightly suppressed elastase activities in vivo. Conclusion : These results suggest that LFE can inhibit melanin synthesis through ihhibitory action on tyrosinase activity and inhibt elastase activity, and also suggest that these results can be used for the study on maintaining skin elasticity or whitening.