«I'd say 99.9 percent of what turn out to be chemical estrogens have a phenolic hydroxyl group on the molecule, and any of those can bind to the estrogen receptor,» says Wade Welshons, a University of Missouri cell biologist and endocrinologist who has spent his career studying estrogen. (discovermagazine.com)
Fat soluble antioxidants such as vitamin E's and A's may help prevent lipid membrane oxidation and methoxylated flavonoids (flavonoids [plant antioxidants] with free hydroxyl groups are much more easily disposed of by the liver and kidneys and have trouble entering the brain, and usually have very little biological effect) may also prevent damage and prevent the toxic aggregation of amyloid beta peptides. (nutritionfacts.org)
It is made of a group of polyols, organic compounds containing hydroxyl groups. (healthypawsherbals.com)