The urinary metabolites found in the cluster 1. A: Compounds that were highly increased in urine of mice fed either free commercial ferulic acid (FA) or one of the four differently processed aleurone preparations (A1-A4) but were not present in the in the HF control group. B: compounds that were increased duoe to the test diets, but had also high basal abundance in the HF control group. 1. 3- or 4-ferulic acid sulfate, 2. 3- or 4-ferulic acid sulfate, 3. feruloylglycine, 4. vanilloylglycine, 5. dihydroferuloylglycine, 6. vanillic acid sulfate, and 7. 2,6-DHBA sulfate.