Correlation study between the results of biological tests and phenolic acid content^a^,^b^,^c.

aPCA, protochatechuic acid, p-HBA, p-hydroxybenzoic acid, VA, vanillic acid, CA, caffeic acid, p-COUA, p-coumaric acid, TP, total phenolic content. bValues represent Pearson’s correlation coefficient (r). cThe minimum level of significance was set at p<0.05 (*), p<0.01 (**), p<0.001 (***).