Sentences with phrase «free hydroxyl group»

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.