Abstract
Two flavonol diglycosides isolated from the leaves of Eugenia jambos were characterized as quercetin and myricetin 3-O-beta-D-xylopyranosyl(1-->2) alpha-L-rhamnopyranosides by means of spectral analyses applying 2D NMR techniques and NOE experiments.
MeSH terms
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Carbohydrate Sequence
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Flavonoids / chemistry
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Flavonoids / isolation & purification*
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Glycosides / chemistry
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Glycosides / isolation & purification*
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Magnetic Resonance Spectroscopy
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Molecular Sequence Data
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Plants, Medicinal / chemistry*
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Quercetin / chemistry
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Quercetin / isolation & purification*
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Spectrophotometry, Ultraviolet
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Trees
Substances
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Flavonoids
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Glycosides
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myricetin
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Quercetin