Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
5166221 | Phytochemistry | 2010 | 8 Pages |
Abstract
Two triterpenoid saponins have been isolated from the seed kernels of Entada rheedii. Their structures have been established using 1D- and 2D-NMR and MS as 3-O-β-d-xylopyranosyl-(1 â 3)-O-α-l-arabinopyranosyl-(1 â 6)-2-acetylamino-2-deoxy-β-d-glucopyranosylentagenic acid 28-O-β-apiofuranosyl-(1 â 3)-β-d-xylopyranosyl-(1 â 2)-β-d-glucopyranoside (Rheediinoside A, 1) and 3-O-β-d-glucopyranosyl-(1 â 3)-O-[β-d-xylopyranosyl-(1 â 3)-α-l-arabinopyranosyl-(1 â 6)]-2-acetylamino-2-deoxy-β-d-glucopyranosylentagenic acid 28-O-β-apiofuranosyl-(1 â 3)-β-d-xylopyranosyl-(1 â 2)-β-d-glucopyranoside (Rheediinoside B, 2). Moderate cytotoxic potency and antioxidant properties were found for these compounds.
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Authors
Laurence Kegah Nzowa, Luciano Barboni, Remy Bertrand Teponno, Massimo Ricciutelli, Giulio Lupidi, Luana Quassinti, Massimo Bramucci, Léon Azefack Tapondjou,