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Figure 4: Effect of grape seed extract or Vitamin C administration on malondialdehyde level in patients undergoing coronary artery bypass graft surgery at the following times: T1: Preischemia, just before aortic cross clamp; T2: Ischemia, precross - clamp removal, T3: Reperfusion, 10 min after cross - clamp removal. Data are expressed as mean ± standard error of mean (n = 29 each group). NS: not significant difference with control group; *: P <0.05 compared with control group

Figure 4: Effect of grape seed extract or Vitamin C administration on malondialdehyde level in patients undergoing coronary artery bypass graft surgery at the following times: T1: Preischemia, just before aortic cross clamp; T2: Ischemia, precross - clamp removal, T3: Reperfusion, 10 min after cross - clamp removal. Data are expressed as mean ± standard error of mean (<i>n</i> = 29 each group). NS: not significant difference with control group; <i>*: P</i> <0.05 compared with control group