サルビア・ウリギノーサ (Salvia uliginosa) の青色花弁由来の新しいメタロアントシアニン

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A blue pigment complex was isolated from the blue flowers of Salvia uliginosa. The absorption spectrum of its aqueous solution has three maxima 644.8,586.8,and 314.4nm. On dialysis, the blue pigment was impermeable through a cellulose membrane, as in the case of proteodelphin and commmelininn. The blue pigment contains magnesium as a metal component, but not manganese, aluminium, zinc, calcium or iron. The blue pigment was sug-gested to be composed of delphinidin 3-O-[6-0-(p-coumaroyl)-β-D-glucopyra-noside] -5-0-[4-O-acetyl-6-O-malonyl-β-D-glucopyranoside] , apigenin 7-O-β-D-glucopyranosyl- (1'''⟶4'') β-D-glucopyranoside-4'-O-β-D-glucopyranoside and magnesium. The results show that the blue pigment from Salvia uliginosa is the fourth metallo-anthochyanin following commmelininn from blue flowers of Commelina communis, protocyaninn from blue corn flower, Centaurea cyanus, and protodelphin from blue flower, Salvia patens.
恵泉女学園大学の論文