Major Polyphenolics in Apple. The polyphenolic profiles and concentrations of major groups in the peel and flesh of the
eight most popular apple cultivars grown in Ontario and the TPIs and TPCs were reported in our earlier paper (19). The
major polyphenolic groups were hydroxycinnamic acids (chlorogenic acid and p-coumaroylquinic acid), cyanidin-3-galactoside,
flavan-3-ols/procyanidins (mainly catechin, epicatechin,