Fig. 3From: A mixture of seaweed extracts and glycosaminoglycans from sea squirts inhibits α-MSH-induced melanogenesis in B16F10 melanoma cellsThe effects of UPEF, ECE, and GAGs in combination on mushroom tyrosinase activity. Tyrosinase activity was measured by colorimetric assay. Dopachrome was measured at 490 nm using a microplate reader. The data are expressed as the means ± S. E (n = 3)Back to article page