Polyphenols are found in oils and other botanical ingredients in five major categories… phenolic acids, the derivatives of hydroxycinnamic acid and hydroxybenzoic acid hydroxycinnamic acid – caffeic acid, ferulic acid, p-coumaric acid hydroxybenzoic acid – vanillic acid, syringic acid, gallic acid flavonoids, which include flavones, flavonols, flavanols, flavanone, isoflavones, and anthocyanins (but not Flavour Flav,…