Fig. 4From: Targeted metabolite profiling to evaluate unintended metabolic changes of genetic modification in resveratrol-enriched rice (Oryza sativa L.)Correlation matrix of 56 polar and nonpolar secondary metabolites from rice seeds. Each square indicates the Pearson’s correlation coefficient of a compound pair, and the value of the coefficient is represented by the intensity of blue or red, as indicated on the color scale. Hierarchical clusters are represented in a cluster tree Back to article page