Cell viability (MTT assay) of SH-SY5Y cells pretreated with Oryzanol-rich fraction (ORF) for 24 h followed by subsequent exposure to 250 μM H
for 24 h. (A) ORF alone; (B) ORF + 250 μM H2O2. Results are mean ± SD. #
p <0.05 versus control, *p < 0.05 versus H2O2.