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. 2016 Jun 7;2016:5860296. doi: 10.1155/2016/5860296

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Copyright © 2016 Huey-Chun Huang et al.

This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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The inhibitory effects of spent coffee grounds SFE on melanogenesis. (a) The effects of spent coffee grounds SFE on mushroom tyrosinase activity. (b) The effects of spent coffee grounds SFE on melanin content in B16F10 cells. (c) The effects of spent coffee grounds SFE on tyrosinase activity in B16F10 cells. The results are presented as percentages of the control, and the data are presented as the mean ± SD of three separate experiments. The values are significantly different compared with the control. ^∗ p ≤ 0.05; ^∗∗∗ p < 0.001.