3',4'-Dihydroxyacetophenone (3,4-DHAP), isolated from Picea Schrenkiana Needles exhibits a strong suppressive action against tyrosinase activity, with an IC50 of 10 μM. 3',4'-Dihydroxyacetophenone (3,4-DHAP) is a vasoactive agent and antioxidant. References: [1]. You Jung Kim, et al. Antimelanogenic Activity of 3,4-dihydroxyacetophenone: Inhibition of Tyrosinase and MITF. Biosci Biotechnol Biochem. 2006 Feb;70(2):532-4. [2]. Xiao Ruan, et al. Autotoxicity and Allelopathy of 3,4-dihydroxyacetophenone Isolated From Picea Schrenkiana Needles. Molecules. 2011 Oct 24;16(10):8874-93.

纯度：≥98%