a new flavanone as a potent antioxidant isolated in cote d'ivoire
Preussianone, a New Flavanone-Chromone Biflavonoid from
A new flavanone-chromone biflavonoid, preussianone (1), has been isolated from the leaves of Garcinia preussii, along with four known biflavonoids. The absolute stereostructures were elucidated by chemical, spectroscopic, and chiroptical methods. The biological properties of the new biflavonoid against several bacterial strains were evaluated.
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The antioxidant activity of odoratenin exhibited very potent ABTS radical inhibitory activity with IC50 value of 23.74 μM which is lower than that of trolox (IC50 31.32 μM) as a positive control. The result showed that a new flavanone, odoratenin , should be potential as an antioxidant source.
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Antioxidant properties of 3-deoxyanthocyanidins
From the SAA values, in the metal-dependent oxidation , the order of antioxidant efficiency is: red sorghum > white sorghum > luteolinidin [2] > apigeninidin [1]. The antioxidant activity of an equimolar mixture of [1] and [2] is almost equal to that of [2] alone and is much lower than that of the red sorghum EWH +-PCs.
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Isolation and characterization of antioxidant compounds
Annona senegalensis leaf extract is used in the management of oxidative related diseases. In this work, we investigated the plant’s crude extracts for its bioactive constituents with a view to identify new and potent natural antioxidant compounds from natural source.
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Molecules | Free Full-Text | Preussianone, a New Flavanone
A new flavanone-chromone biflavonoid, preussianone (1), has been isolated from the leaves of Garcinia preussii, along with four known biflavonoids. The absolute stereostructures were elucidated by chemical, spectroscopic, and chiroptical methods. The biological properties of the new biflavonoid against several bacterial strains were evaluated.
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Preussianone, a New Flavanone-Chromone Biflavonoid from
A new flavanone-chromone biflavonoid, preussianone (1), has been isolated from the leaves of Garcinia preussii, along with four known biflavonoids.
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A novel acyclic diterpenic alcohol isolated from
A new compound along with two known compounds has been isolated from antioxidant active ethanol extract. The chemical structure of unknown compound was established as 2, 6, 10, 14-tetramethyl hexadec-12-cis-en-5α, 7α, 9α, 14α-tetraol (CM1) while the known compound isolated Luteolin-7-O-β- glucopyranosyl-6''-O-(6''→1''')-β-D-rhamno-pyranoside (CM-2) and stigmast-5,22–dien-3β –ol (CM3).
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A new chemotype of Lantana rhodesiensis Moldenke essential
A new chemotype of Lantana rhodesiensis Moldenke essential oil from Côte d'Ivoire: chemical composition and biological activities
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New flavan and unusual chalcone glycosides from Drypetes
Two new compounds 7-hydroxy-5-O-(β-d-glucopyranoside) flavan (1) and (Z)-4′,6′-dihydroxy-2′-O-(β-d-glucopyranoside) chalcone (2), along with eight known compounds, were isolated from the ...
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Phytochemicals Isolated from Leaves of Chromolaena odorata
A New Flavanone as a Potent Antioxidant Isolated from Chromolaena odorata L. Leaves
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