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Anti-melanogenesis and anti-oxidant effects of S. glabrescens extracts. (A) Melanin content, (B) cytotoxicity in B16F10 cells, (C) DPPH and (D) ABTS, and (E) NO radical scavenging activities. The data are represented as the mean ± SD (n = 3) of three individual experiments. * p < 0.05, and ** p < 0.01 compared with control.
