Skip to Main Content
Condensed tannins: Preferential substitution at the interflavanoid bond by sulphite ionAuthor(s): L. Yeap Foo; Gerald W. McGraw; Richard W. Hemingway
Source: Journal of The Chemical Society Chemical Communications 12:672-673
Publication Series: Miscellaneous Publication
PDF: View PDF (558 KB)
DescriptionThe reaction of loblolly pine (Pinus taeda L.) bark tannins with sodium hydrogen sulphite gave sodium epicatechin-(4β)-sulphonate(1) and sodium epicatechin-(4β→8)-epicatechin-(4β)-sulphonate(2) in high yield with only a minor amount of sodium 1-(3,4-dihydroxyphenyl)-2-hydroxy-3-(2,4,6-trihydroxyphenyl)-propane-1-sulphonate(3).
- You may send email to email@example.com to request a hard copy of this publication.
- (Please specify exactly which publication you are requesting and your mailing address.)
- We recommend that you also print this page and attach it to the printout of the article, to retain the full citation information.
- This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.
CitationFoo, L. Yeap; McGraw, Gerald W.; Hemingway, Richard W. 1983. Condensed tannins: Preferential substitution at the interflavanoid bond by sulphite ion. Journal of The Chemical Society Chemical Communications 12:672-673
- Polymeric proanthocyanidins: Interflavanoid linkage isomerism in (epicatechin-4)-(epicatechin-4)-catechin procyanidins
- Recent Advances in the Chemistry of Condensed Tannins
- Flavan and procyanidin glycosides from the bark of blackjack oak
XML: View XML