Heavenly Blue Anthocyanin III.Structure of Bisdeacyl Heavenly Blue Anthocyanin, a Controlled Alkaline Hydrolysis Product of Heavenly Blue Anthocyanin

Abstract

Structure of bis-descyl heavenly blue anthocyanin was determined to be 3-0-(2-0-(6-0-(~-3-0-(B-D-glucapyranosyl)caffeyl)6-Dglucopyranosyl)6-D-glucopyranosyl) -5-0-(6-D-g1ucopyranosyl)peonidine.Heavenly blue anthocyanin (HBA) is a constituent of blue flawera of a morning glory, Ipomoea "Heavenly ~l u e