Abstract
Two new triterpenoid glycosides, quinovic acid-3 beta-O-beta-D- glucopyranosyl-(1-->4)-alpha-L-rhamnopyranoside and quinovic acid-3 beta-O-beta-D-glucopyranosyl-(1-->3)-beta-D-fucopyranoside (named rubelloside A and B, respectively), were isolated from roots of Adina rubella. Their structures were elucidated by spectral and chemical means. Rubelloside B exhibited immunological enhancement.
MeSH terms
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Animals
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Carbohydrate Conformation
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Carbohydrate Sequence
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Glycosides / chemistry*
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Glycosides / isolation & purification
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Lymphocyte Activation / drug effects
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Magnetic Resonance Spectroscopy
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Models, Molecular
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Molecular Sequence Data
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Molecular Structure
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Optical Rotation
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Plants, Medicinal*
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Saponins / chemistry*
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Saponins / isolation & purification
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T-Lymphocytes / drug effects
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T-Lymphocytes / immunology*
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Triterpenes / chemistry*
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Triterpenes / isolation & purification
Substances
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Glycosides
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Saponins
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Triterpenes
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rubelloside A
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rubelloside B