Anthocyanin 3-galactosides from Cornus alba 'Sibirica' with glucosidation of the B-ring

The three anthocyanins, delphinidin 3-O-p-galactopyranoside-3',5'-di-O-p-glucopyranoside (1), delphinidin 3-O-p-galactopyranoside-3'-O-beta-glucopyrano side (2) and cyanidin 3-O-beta-galactopyranoside-3'-O-beta-glucopyranoside (3), and the 3-O-beta-galactopyranosides of delphinidin (4) and cyanidin (5) were isolated from the bluish white berries and compound umbel of Siberian dogwood, Cornus alba 'Sibirica'. The ornamental autumn leaves and the characteristic purplish red bark of this variety were found to contain only pigment 5. (c) 2006 Elsevier Ltd. All rights reserved.