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. 2020 Dec 14;9(12):1270. doi: 10.3390/antiox9121270

Figure 4.

Figure 4

The inhibitory effects of P. dactylifera L. seed extract on melanogenesis. (A) The effects of P. dactylifera L. seed extract on mushroom tyrosinase activity. (B) The effects of P. dactylifera L. seed extract on melanin content in B16F10 cells. (C) The effects of P. dactylifera L. seed extract on B16F10 tyrosinase activity. (D) The PKA inhibitor (H89) assay. The values are significant as compared with the control. * p < 0.05, ** p < 0.01, *** p < 0.001, # p < 0.05 seed extract (0.147 mg/mL) vs. seed extract (0.147 mg/mL) + H89.