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Communication | Regular issue | Vol 55, No. 7, 2001, pp.1241-1248
Published online, 1st January, 1970
DOI: 10.3987/COM-01-9231
Acylated Pelargonidin 3-Sophoroside-5-glucosides from the Flowers of the Japanese Morning Glory Cultivar ‘Violet

Kenjiro Toki, Norio Saito, Shigeru Iida, Atsushi Hoshino, Atsushi Shigihara, and Toshio Honda*

*Faculty of Pharmaceutical Sciences, Hoshi University, 2-4-41 Ebara, Shinagawa-ku, Tokyo 142-8501, Japan

Abstract

Two novel acylated anthocyanins were isolated from the red-purple flowers of Japanese morning glory ‘Violet’ (or ‘Murasaki’) along with three known pigments. These novel pigments were determined to be pelargonidin 3-O-[2-O-(6-O-(trans-cafferyl)-β-D-grucopyranosyl)-β-D-glucopyranoside]-5-O-β-D-glucopyranoside (1), and pelagonidin 3-O-[2-O-(6-O-(trans-p-coumaroyl)-β-D-glucopyranosyl)-β-D-glucopyranoside]-5-O-β-D-glucopyranoside (2). Three known pigments were also identified to be Pharbitis Red anthocyanin 1, and Ipomoea Red anthocyanis 1 and 4.