35-Dihydroxyphenylpropionoic acid Tags: Chemical Compound, Chemical Substance.35-Dihydroxyphenylpropionoic acid is a metabolite of alkylresorcinols first identified in human urine and can be quantified in urine and plasma and may be an alternative equivalent biomarker of whole grain wheat intake. thumbnail IUPAC name 3-(35-dihydroxyphenyl)propanoic acid Learn more... Loading...