Includes bibliographical references (leaves 218-227).xviii, 227 leaves : ill. (some col.) ; 30 cm.This study concerns the structures, equilibrium distributions and formation of pigments found in red wine... A new method was developed for the isolation of C4-substituted pigments from the wine and grape marc extracts which was based on the reactivity of anthocyanins with bisulphite ion to form anionic bisulphite addition products.Thesis (Ph.D.(Ag.Sc.))--Adelaide University, Dept. of Horticulture, Viticulture and Oenology, 200
