Variations in the accumulation of three secondary metabolites in Euclea undulata Thunb. var. myrtina as a function of seasonal changes
Keywords: CH3OH-d4; deuterated methanol; D2O; deuterium water; HCA; hierarchical cluster analysis; KH2PO4; potassium dihydrogen phosphate; MVDA; multivariate data analysis; NMR; nuclear magnetic resonance; OPLS-DA; orthogonal partial least square discriminatory ana