Concentrations of CD hydroperoxides in fresh fish and fish stored for 3 d at 4°C in the absence (-) or presence (+) of GSE over time in the TIM-1 jejunal (A) and ileal (B) dialysates. Results are mean ± SD, n = 3. *Different from fish stored without antioxidant, P < 0.05. CD, conjugated diene; GSE, grape seed extract; TIM-1, TNO Intestinal Model-1.