Orientin is a flavone, a chemical flavonoid-like compound. It is the 8-C glucoside of luteolin.
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IUPAC name
8-(β-D-Glucopyranosyl)-3′,4′,5,7-tetrahydroxyflavone
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Systematic IUPAC name
2-(3,4-Dihydroxyphenyl)-5,7-dihydroxy-8-[(2S,3R,4R,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]-4H-1-benzopyran-4-one | |
Other names
Lutexin, Luteolin-8-C-glucoside
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Identifiers | |
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3D model (JSmol)
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ChEBI |
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ChEMBL |
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ChemSpider |
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ECHA InfoCard | 100.110.907 |
KEGG |
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PubChem CID
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UNII |
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CompTox Dashboard (EPA)
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Properties | |
C21H20O11 | |
Molar mass | 448.38 g/mol |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references
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Orientin is found in Adonis vernalis, in Anadenanthera colubrina and Anadenanthera peregrina, and in the Phyllostachys nigra bamboo leaves[1]
Orientin is also reported in the passion flower,[2] the Açaí palm, buckwheat sprouts,[3] and in millets.[4]
The identification of orientin has been reported widely. Its identification using mass spectrometry is established.[5]
Isoorientin (or homoorientin) is the luteolin-6-C-glucoside.