Three new furostanol oligoglycosides, 3-O-{α-l-rhamnopyranosyl-(1→2)-[α-l-rhamnopyranosyl-(1→4)]-β-d-glucopyranosyl}-26-O-β-d-glucopyranosyl-22α-methoxy-25R-furost-5-ene-3β,17α,26-triol (1), 3-O-{α-l-rhamnopyranosyl-(1→2)-[α-l-rhamnopyranosyl-(1→4)]-β-d-glucopyranosyl}-26-O-β-d-glucopyranosylfurost-5-ene-3β,17α,22α,25,26-pentol (2), and 3-O-{α-l-rhamnopyranosyl-(1→2)-[α-l-rhamnopyranosyl-(1→4)]-β-d-glucopyranosyl}-26-O-β-d-glucopyranosylfurost-5-ene-3β,22α,25,26-tetrol (3), named lycianthosides A−C, together with known flavone glycosides were isolated from Lycianthes synanthera leaves, an edible plant of the Solanaceae family that grows naturally in Guatemala. The nutrient composition of the raw leaves was also evaluated.

Three new furostanol saponins from the leaves of Lycianthes synanthera ("Chomte"), an edible Mesoamerican plant

PICCINELLI, ANNA LISA;AQUINO, Rita Patrizia;RASTRELLI, Luca
2005

Abstract

Three new furostanol oligoglycosides, 3-O-{α-l-rhamnopyranosyl-(1→2)-[α-l-rhamnopyranosyl-(1→4)]-β-d-glucopyranosyl}-26-O-β-d-glucopyranosyl-22α-methoxy-25R-furost-5-ene-3β,17α,26-triol (1), 3-O-{α-l-rhamnopyranosyl-(1→2)-[α-l-rhamnopyranosyl-(1→4)]-β-d-glucopyranosyl}-26-O-β-d-glucopyranosylfurost-5-ene-3β,17α,22α,25,26-pentol (2), and 3-O-{α-l-rhamnopyranosyl-(1→2)-[α-l-rhamnopyranosyl-(1→4)]-β-d-glucopyranosyl}-26-O-β-d-glucopyranosylfurost-5-ene-3β,22α,25,26-tetrol (3), named lycianthosides A−C, together with known flavone glycosides were isolated from Lycianthes synanthera leaves, an edible plant of the Solanaceae family that grows naturally in Guatemala. The nutrient composition of the raw leaves was also evaluated.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11386/1065830
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