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Structure of ternatin B1, a pentaacylated anthocyanin substituted on the B-ring asymmetrically with two long chains

✍ Scribed by Tadao Kondo; Minoru Ueda; Toshio Goto

Book ID: 104203389
Publisher: Elsevier Science
Year: 1990
Tongue: French
Weight: 454 KB
Volume: 46
Category: Article
ISSN: 0040-4020
DOI: 10.1016/s0040-4020(01)85593-9

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✦ Synopsis

Structure of ternatin Bl isolated from blue flowers of Clitoris ternatea was determined to be 3-0-(6-0-mnlonyl~-D-glucopyranosyl)-3'-O-GPGPG-5'-0-PGPG-delphinidin (l), where P = g-p-coumaryl and G = H-D-glucopyranosyl. Saito et al. 1) isolated six highly acylated anthocyanins (ternatin Al, A2, 61, B2, Dl, and D2) from the blue flowers of Clitoris ternatea. These pigments are extraordinarily stable in neutral aqueous solutions compared with other polyacylated anthocyanins. Recently Terahara et al. determined the structure of two of these anthocyanins, ternatin A12) and D1,3) which have the B-ring substituted symmetrically at 3' and 5' positions.

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