Fig. 13

PCA analysis of antioxidants and secondary metabolites. PCA analysis for both cultivars (A), PCA analysis for root and leaf of both cultivars (B). SOD (superoxide dismutase), CAT (catalase), and POD (peroxidase), AscA (Ascorbic acid), APX (ascorbate peroxidase), AOX (ascorbate oxidase), GPX (glutathione peroxidase), GSH (glutathione), GSSG (glutathione disulfide), GSH+GSSG (total glutathione), TPC (total phenol content), TFC (total flavonoid content), Antho (anthocyanin) and TCrC (total carotenoid content), TSC (total soluble sugar content), MDA (malondialdehyde), H2O2, TAC (total antioxidant capacity), TRP (total reducing power), and DPPH (2,2-diphenyl-1-picryl-hydrazyl-hydrate).