Fig. 2

LDH release (A, B) and relative ROS level (C, D) of nonylphenol-induced IEC-6 cells with or without the exposure of Chinese yam polysaccharides (YP) and selenite-grafted products YPSe-I and YPSe-II at the four doses for 12 (A, C) and 24 h (B, D). Different lowercase letters above the columns indicate that one-way ANOVA of the mean values differs significantly (p < 0.05).