645257.fig.005a
(a)
645257.fig.005b
(b)
645257.fig.005c
(c)
Figure 5: Effects of resveratrol, p-coumaric acid, and arbutin on the activities of TYRs of different origins. The activities of human TYR (a), murine TYR (b), and mushroom TYR (c) were determined in the absence or presence of test material at the indicated concentrations. Data are presented as percentages of uninhibited activities (means ± SE, ).