Abstract
Angelica keiskei is a perennial herb belonging to the Umbelliferae family. In this study, the whitening effect of A. keiskei extracts was examined through melanogenesis and tyrosinase inhibitory assays. The ethanol extract (50%) significantly inhibited tyrosinase in a concentration-dependent manner. RT-PCR revealed that the extract exhibited decreased expression of tyrosinase, tyrosinase-related protein-1, tyrosinase-related protein-2, and melanocyte-inducing transcription factor. These results suggest that the extract can be used as an ingredient for the development of cosmeceuticals.
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