Fig. 7

Comparative analyses of differentially accumulated metabolites between NPs and ions under Cd stress. Heat map of important DAM (amino acids, terpenoids, flavonoids, phenylpropanoids, phytohormones, nucleotides and their derivatives) levels in the roots (a). Heat map of important DAM (phenylpropanoids, terpenoids, flavonoids, amino acids, phytohormones, nucleotides and their derivatives) levels in the leaves (b)