Figure 1

Figure 1. Schematic diagram of antimelanogenesis effects of E. serratus leaf extract.

Figure 2

Figure 2. Antityrosinase activities of leaf extract and fractions. (a) l-Tyrosine as the substrate; (b) l-DOPA as the substrate.

Figure 3

Figure 3. Chemical structures of isolated compounds.

Figure 4

Figure 4. Lineweaver–Burk plots of mearnsetin. (a) l-Tyrosine as the substrate; (b) l-DOPA as the substrate.

Figure 5

Figure 5. Inhibitory effect of leaf extract and its fractions on the melanogenesis of zebrafish embryo. Different letters (a–e) represent significantly different at the level of p < 0.05 according to Scheffe’s test.

Figure 6

Figure 6. Effects of compounds on melanogenesis of zebrafish at a concentration of 50 μM.

Acknowledgments

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