Troxérutine

Troxérutine
Image illustrative de l’article Troxérutine
Identification
Nom UICPA 2-[3,4-bis(2-hydroxyethoxy)phenyl]-5-hydroxy-7-(2-hydroxyethoxy)-4-oxo-4H-chromen-3-yl 6-O-(6-deoxy-β-D-mannopyranosyl)-β-D-glucopyranoside
Synonymes

3’,4’,7-Tris[O-(2-hydroxyéthyl)]rutine

No CAS 7085-55-4
No CE 230-389-4
PubChem 5486699
Propriétés chimiques
Formule C33H42O19  [Isomères]
Masse molaire[1] 742,675 2 ± 0,035 g/mol
C 53,37 %, H 5,7 %, O 40,93 %,
Propriétés physiques
ébullition 1 058,4 °C à 760 mmHg
Masse volumique 1,65 g·cm-3
Point d’éclair 332 °C
Pression de vapeur saturante 0 mmHg à 25 °C

Unités du SI et CNTP, sauf indication contraire.

La troxérutine est un composé organique de la famille des flavonols, un type de flavonoïdes. C'est plus exactement un dérivé triéthoxylé d'un hétéroside de flavonol, le rutoside (quercétol 3-O-rutinoside). Elle peut être extraite à partir du sophora du Japon (Styphnolobium japonicum).

Elle est utilisée en tant que vasoprotecteur[2].

Il a été démontré que, chez la souris, la troxérutine pouvait inverser la résistance à l'insuline du système nerveux central et réduire la présence de dérivés réactifs de l'oxygène induite par une alimentation riche en cholestérol[3].

Notes et références

  1. Masse molaire calculée d’après « Atomic weights of the elements 2007 », sur www.chem.qmul.ac.uk.
  2. Riccioni, C.; Sarcinella, R.; Izzo, A.; Palermo, G.; Liguori, M. (2004). "Effectiveness of Troxerutin in association with Pycnogenol in the pharmacological treatment of venous insufficiency". Minerva cardioangiologica 52 (1): 43–48. PMID 14765037
  3. Lu, J.; Wu, D. -M.; Zheng, Z. -H.; Zheng, Y. -L.; Hu, B.; Zhang, Z. -F. (2011). "Troxerutin protects against high cholesterol-induced cognitive deficits in mice". Brain 134 (3): 783–797. doi:10.1093/brain/awq376. PMID 21252113

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