Phytochemistry p. 891 - 896 (1989)
Update date:2022-08-03
Topics: Chromatography Quantification Spectroscopy Extraction
Hwang, Tieh-Horng
Kashiwada, Yoshiki
Nonaka, Gen-Ichiro
Nishioka, Itsuo
Four flavan-3-ol glycosides and three proanthocyanidin glycosides have been isolated from the fern, Davallia divaricata, together with procyanidins B-1 and B-2 and a trimeric procyanidin.All of these glycosides have been shown to possess an allopyranose moiety.The structures were elucidated on the basis of chemical and spectroscopic evidence. Key Word Index-Davallia divaricata; Davalliaceae; fern; flavan-3-ol; proanthocyanidins; allosides; procyanidins; condensed tannin.
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