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    Author(s): Richard W. Hemingway; L. Yeap Foo; L. J. Porter
    Date: 1981
    Source: Journal of the Chemical Society Chemical Communications 7(320-322
    Publication Series: Miscellaneous Publication
    PDF: Download Publication  (355 KB)


    Procyanidin trimers have been isolated from a variety of plants,1-3 but their structures remain unresolved. We have now isolated three configurational isomers of (epicatechin-4)-(epicatechin-4)-catechin from Pinus taeda L. (loblolly pine) phloem which exhibit isomerism of the interflavanoid linkages.

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    Hemingway, Richard W.; Foo, L. Yeap; Porter, L. J. 1981. Polymeric proanthocyanidins: Interflavanoid linkage isomerism in (epicatechin-4)-(epicatechin-4)-catechin procyanidins. Journal of the Chemical Society Chemical Communications 7(320-322

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