Fig. 2From: Proteomic and metabolic profile analysis of low-temperature storage responses in Ipomoea batata Lam. tuberous rootsEffects of low-temperature storage on relative electrical conductivity (REC) and MDA content in sweetpotato roots for 14 d. a Relative electrical conductivity. b MDA content. Vertical bars represent the mean ± SE. Different letters indicate statistically significant differences (p<0.05) by LSD testBack to article page