Abstract
Loasins A (1) and B (2), new flavonoids, have been isolated from the ethyl acetate soluble sub-fraction of the ethanolic extract of Eremostachys loasifolia along with apuleisin (3) and apuleidin (4), isolated for the first time from this species. Their structures were assigned on the basis of their spectral data including 1D and 2D NMR.
Publication types
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Research Support, Non-U.S. Gov't
MeSH terms
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Ethanol
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Flavones / chemistry
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Flavones / isolation & purification*
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Flavonoids / chemistry
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Flavonoids / isolation & purification*
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Lamiaceae / chemistry*
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Magnetic Resonance Spectroscopy
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Molecular Structure
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Plant Extracts / analysis*
Substances
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Flavones
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Flavonoids
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Plant Extracts
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loasin A
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loasin B
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Ethanol