New Flavonol Glycosides from the Seeds of Desmodium styracifolium
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DOI: 10.1007/s10600-018-2496-7
Abstract: In this study, different extracts from the seeds of Desmodium styracifolium were screened for their potential antioxidant activities by reducing power and hydroxyl and superoxide radical assays. From the above tests, n-BuOH extract of D.… read more here.
Keywords: flavonol glycosides; glycosides seeds; desmodium styracifolium; seeds desmodium ... See more keywords
A New Flavonol Glycoside from the Fruits of Cercidiphyllum japonicum
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DOI: 10.1007/s10600-019-02661-3
Abstract: A new flavonol glycoside, 8-methoxykaempferol-3-O-α-L-rhamnosyl-4′-O-β-D-glucoside (1), was isolated from the fruits of Cercidiphyllum japonicum (Cercidiphyllaceae) in addition to two known anomeric galloyltannins, [2,2′,5-tri-O-galloyl-α/β-D-hamamelose (2) and 3,4,6-tri-O-galloyl-α/β-D-glucose (3)], and one known flavonol [quercetin (4)]. The structures… read more here.
Keywords: glycoside fruits; flavonol glycoside; cercidiphyllum japonicum; new flavonol ... See more keywords
Four new flavonol glycosides from the leaves of Ginkgo biloba
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DOI: 10.1080/14786419.2019.1684282
Abstract: Abstract Four new flavonol glycosides, 5, 7, 5′-trihydroxy-3′, 4′-dimethoxyflavonol-3-O-α-L-rhamnopyranosyl-(1→6)-β-D-glucopyranoside (1), quercetin 3-O-(6-trans-feruloyl)-β-D-glucopyranosyl-(1→2)-α-L-rhamnopyranoside (2), kaempferol 3-O-(6-trans-caffeoyl)-β-D-glucopyranosyl-(1→2)-α-L-rhamnopyranoside (3), myricetin 3-O-(6-trans-p-coumaroyl)-β-D-glucopyranosyl-(1→2)-α-L-rhamnopyranoside (4), together with nine known flavonoids and two known lignans, were isolated from the leaves of Ginkgo… read more here.
Keywords: ginkgo biloba; four new; flavonol glycosides; leaves ginkgo ... See more keywords
A new flavonol acylglycoside from the fruits of Nitraria tangutorum Bobr.
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DOI: 10.1080/14786419.2020.1721487
Abstract: Phytochemical investigation on the ethanol extract of the fruits of Nitraria tangutorum Bobr. led to the isolation of a new flavonol acylglycoside tangutoside (7) and six known ones including p-formylphenol (1), 3-formylindole (2), rutin (3),… read more here.
Keywords: acylglycoside fruits; new flavonol; tangutorum bobr; flavonol acylglycoside ... See more keywords
A new flavonol derivative and other compounds from the leaves of Bauhinia thonningii Schum with activity against multidrug-resistant bacteria.
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DOI: 10.1080/14786419.2022.2128347
Abstract: Investigation of the leaves of Bauhinia thonningii Schum led to the isolation and identification of a new flavonol derivative, 6-C-methylquercetin-3,4'-dimethyl ether (1) together with eleven known compounds (2-13), with two of them (10 and 11)… read more here.
Keywords: bauhinia thonningii; flavonol derivative; leaves bauhinia; activity ... See more keywords
A New Flavonol Glycoside from Millettia pachycarpa
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DOI: 10.1177/1934578x1701200916
Abstract: Eight compounds (1-8), including a new flavonol glycoside (1), were isolated from Millettia pachycarpa. Their structures were elucidated based on combination of spectroscopic methods and comparing with data in literatures. Three of them (2, 6… read more here.
Keywords: new flavonol; flavonol glycoside; millettia pachycarpa; glycoside millettia ... See more keywords