Fig. 3From: Effects of the hydroalcoholic extract of Rosa damascena on hippocampal long-term potentiation in rats fed high-fat dietEffect of high-fat diet (HFD) and R. damascena extract administration on serum levels of total thiol groups (TTG) (a) and superoxide dismutase (SOD) (b). Data presented as means ± S.E.M. *p < 0.05, and **p < 0.01Back to article page