Fig. 4From: Metabolomic analysis on the mechanism of nanoselenium alleviating cadmium stress and improving the pepper nutritional valueEffects of nano-Se on metabolite concentrations in pepper fruit (A: T1, T2, T3 vs. CK; B, C, D: T1 vs. CK; E, F, G: T2 vs. CK; H, I, J: T3 vs. CK). A, B, E, H: PCA; C, F, I: PLS-DA; D, G, J: volcano plot; T1: nano-Se1; T2: nano-Se5; T3: nano-Se20Back to article page