Figure 4.

Serum total antioxidant status. Effect of red wine consumption on serum TAS from young (18–30 yrs) and older (≥ 50 yrs) volunteers. Bars represent mean ± SEM of serum TAS pre and post two weeks of red wine consumption or abstinence. YA, young abstinence; YW, young wine; OA, older abstinence; OW older wine; RW red wine ^a indicates a significant change with wine P < 0.05. ^b indicates a significant difference between young and old, P < 0.05.