Orientine
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| Orientine | |
| |
| Identification | |
|---|---|
| Nom UICPA | 2-(3,4-dihydroxyphényl)-5,7-dihydroxy-8-[(2S,3R,4R,5S,6R)-3,4,5-trihydroxy-6-(hydroxyméthyl)oxan-2-yl]chromén-4-one |
| Synonymes |
lutexine, lutéoline-8-C-glucoside |
| No CAS | |
| No ECHA | 100.110.907 |
| PubChem | 5281675 |
| SMILES | |
| InChI | |
| Propriétés chimiques | |
| Formule | C21H20O11 [Isomères] |
| Masse molaire[1] | 448,376 9 ± 0,021 5 g/mol C 56,25 %, H 4,5 %, O 39,25 %, |
| Composés apparentés | |
| Autres composés | |
| Unités du SI et CNTP, sauf indication contraire. | |
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L'orientine est un composé chimique de la famille des flavones. C'est plus précisément un hétéroside, le 8-C-glucoside d'une flavone, la lutéoline, présent notamment dans la passiflore[2], l'açaí (Euterpe oleracea), l'adonis de printemps (Adonis vernalis) et le yopo (Anadenanthera peregrina). On a aussi relevé la présence d'orientine dans les millets[3] et les feuilles de bambou noir (Phyllostachys nigra)[4].
Notes et références
- ↑ Masse molaire calculée d’après « Atomic weights of the elements 2007 », sur www.chem.qmul.ac.uk.
- ↑ Separation by capillary electrophoresis of C-glycosylflavonoids in Passiflora sp. extracts. E. R. Pastene, G. Bocaz, I. Peric3, M. Montes, V. Silva and E. Riffo, Bol. Soc. Chil. Quím. v.45 n.3 Concepción set. 2000
- ↑ Sorghum and millet phenols and antioxydants, Linda Dykes, Lloyd W. Rooney, in Journal of Cereal Science 44 (2006) 236-251
- ↑ Isolation and purification of four flavone C-glycosides from antioxidant of bamboo leaves by macroporous resin column chromatography and preparative high-performance liquid chromatography
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