Abstract
Three new glycosides, pinocembrin 7-O-apiosyl(1-->5)apiosyl(1-->2)-beta-D-glucopyranoside (1), 2',3',4',3' '-tetramethoxy-1,3-diphenylpropane 5',4' '-di-O-beta-D-glucopyranoside (2), and rhamnocitrin 3-O-apiosyl(1-->5)apiosyl(1-->2)-[alpha-L-rhamnopyranosyl(1-->6)]-beta-D-glucopyranoside (3), were isolated from Viscum angulatumalong with viscumneoside V, naringenin, and homoeriodictyol. Their structures were established by spectral and chemical methods.
MeSH terms
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Chromatography, Thin Layer
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Flavanones*
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Flavonoids / chemistry
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Flavonoids / isolation & purification
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Flavonols*
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Glycosides / chemistry
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Glycosides / isolation & purification*
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Hydrolysis
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Molecular Structure
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Nuclear Magnetic Resonance, Biomolecular
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Phenols / chemistry
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Phenols / isolation & purification*
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Plants, Medicinal / chemistry*
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Spectrophotometry, Infrared
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Spectroscopy, Fourier Transform Infrared
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Taiwan
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Viscum / chemistry*
Substances
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2',3',4',3' '-tetramethoxy-1,3-diphenylpropane 5',4' '-di-O-glucopyranoside
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Flavanones
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Flavonoids
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Flavonols
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Glycosides
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Phenols
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pinocembrin 7-O-apiosyl(1-5)apiosyl(1-2)glucopyranoside
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rhamnocitrin 3-O-apiosyl(1-5)apiosyl(1-2)-(rhamnopyranosyl(1-6))glucopyranoside
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viscumneoside V
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naringenin