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. 2011 Mar 30;2011:506171. doi: 10.1155/2011/506171

Figure 1.

Figure 1

Dose response of tocotrienol-rich fraction (TRF) on young (a), presenescent (b), and senescent (c) HDFs after 24 h incubation at 37°C. Incubation with TRF caused a significant increase in the viability of HDFs. aDenotes P < .05 compared to control, bP < .05 compared to lower concentration. Data are presented as mean ± SD, n = 9.