4-Hydroxyphenylpyruvic acid (4-HPPA), an abundant colon metabolite of polyphenols, is a potent scavenger that suppresses levels of free radicals and cyclooxygenase-2 (COX-2) and contributes to reduced risk of colon cancer development.
[1] Ana Ami?, et al. Comput Biol Chem. 2016 Dec;65:45-53.
















