File Name : supplementary material- figure s1.docx

Caption : figure s1: chromatograms obtained by hplc-ms after injection of a sample from the ms+lf group. according to the mass/charge ratio [m/z] of the ionic species detected and the retention times [rt] (blue arrows) the presence of the following metabolites derived from ferulic acid was confirmed: (a) dihydroxyphenylpropionic acid [dhppa]; (b) dihydroferulic acid [dhf] and (c) hydroxyphenylpropionic acid [hppa].