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. 2019 Jul 20;8(7):233. doi: 10.3390/antiox8070233

Figure 2.

Figure 2

Concentration response of hydroxytyrosyl oleate (HtyOle) in human keratinocyte cell viability. HtyOle significantly affected cell vitality in the range 5–40 µM (* p < 0.05; *** p < 0.01).