Proantocijanidini (PAC) (% m/m suhe tvari)
OSC-DMAC-metoden (4-dimetylaminokanelaldehyd) (Ocean Spray Cranberries, Inc) Martin MA, Ramos S, Mateos R, Marais JPJ, Bravo-Clemente, L, Khoo C and Goya L. Food Res Intl 2015 71: 68–82.