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Catechin-3-0-rhamoside chain procyanidins from mangrove bark
Author(s): Suminar Achmadi; Gustini Syahbirin; Elvin T. Chonng; Richard W. Hemingway
Date: 1994
Source: Phytochemistry 35(1):217-219
Publication Series: Miscellaneous Publication
PDF: View PDF (521 KB)Description
Acid-catalysed cleavage of 'purified' condensed tannin isolates from Bruguiera gymnorrhiza (tancang) bark in the presence of phloroglucinol as a capture nucleophile gave, in addition to the expected procyanidin- and prodelphinidin-phloroglucinol adducts, 3-O-α-L-rhamnopyranosyl-(+)-catechin-(4α→2)-phloroglucinol, thus providing evidence for covalently bonded glycoside moieties in the chain extender units of mangrove bark tannins.Publication Notes
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Citation
Achmadi, Suminar; Syahbirin, Gustini; Chonng, Elvin T.; Hemingway, Richard W. 1994. Catechin-3-0-rhamoside chain procyanidins from mangrove bark. Phytochemistry 35(1):217-219Keywords
Bruguiera gymnorrhiza, Rhizophoraceae, angrove, bark, condensed tannins, proanthocyanidins, 3-0-α-L-rhamnopyranosyl-{+)-catechin-{4α→2)-phloroglucinol, flavan-3-ol glycosidesRelated Search
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