Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Effects of licochalcone A (a) or β-arbutin (b) on tyrosinase activity in B16 mouse melanoma cells simultaneously treated with or without 50 μmol/L capsaicin. Tyrosinase activity was assessed by performing an L-DOPA-oxidation-assay 48 h after treatment. All data are shown as mean ± SD (n = 3); *P < 0.05, **P < 0.001, compared to the control group
