Abstract
From wild garlic Allium ursinum three new flavonoid glycosides were identified as kaempferol 3-O-beta-neohesperidoside-7-O-[2-O-(trans-p-coumaroyl)]-beta -D- glucopyranoside, kaempferol 3-O-beta-neohesperidoside-7-O-[2-O-(trans-feruloyl)]-beta-D- glucopyranoside, kaempferol 3-O-beta-neohesperidoside-7-O-[2-O-(trans-p-coumaroyl)-3-O-b eta-D- glucopyranosyl]-beta-D-glucopyranoside and characterized as the peracetates. Additionally, two known flavonoid glycosides kaempferol 3-O-beta-glucopyranoside and kaempferol 3-O-beta-neohesperidoside were isolated. The isolated compounds showed an inhibition of human platelet aggregation.
Publication types
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Comparative Study
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Research Support, Non-U.S. Gov't
MeSH terms
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Blood Platelets / drug effects
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Carbohydrate Sequence
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Flavonoids / chemistry*
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Flavonoids / isolation & purification
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Flavonoids / pharmacology*
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Garlic / chemistry*
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Glycosides / chemistry
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Glycosides / isolation & purification
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Glycosides / pharmacology
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Humans
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Magnetic Resonance Spectroscopy
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Molecular Sequence Data
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Plant Extracts / chemistry*
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Plant Extracts / isolation & purification
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Plant Extracts / pharmacology*
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Plants, Medicinal*
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Platelet Aggregation Inhibitors / chemistry*
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Platelet Aggregation Inhibitors / isolation & purification
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Platelet Aggregation Inhibitors / pharmacology*
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Spectrometry, Mass, Fast Atom Bombardment
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Spectrophotometry, Ultraviolet
Substances
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Flavonoids
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Glycosides
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Plant Extracts
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Platelet Aggregation Inhibitors