FLAVONOID GLYCOSIDES ISOLATED FROM THE BLUE FLOWERS OF NIGELLA DAMASCENA

Two new kaempferol glycosides (1 and 2) were isolated from the blue flowers of Nigella damascena cv 'Ms Jekyll Blue' along with a known anthocyanin (3). The structures of 1 and 2 were elucidated by application of chemical and spectroscopic methods. Compound (3) was a rarely observed anthocyanin in plants.