Natural occurrences
Isomers of chlorogenic acid are found in potatoes.[7]
Chlorogenic acid can be found in bamboo Phyllostachys edulis.[8] as well as in many other plants.[9] It is one of the major phenolic compounds identified in peach[10] and in prunes.[11] It also is one of the phenols found in green coffee bean extract.[12]
Chlorogenic acid, its 3-O-glucoside, 3-O-galactoside and 3-O-arabinoside can be found in the shoots of Calluna vulgaris(heather).