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2015-11-05 - Article/Dans un journal avec peer-review - Anglais - 8 page(s)

Ayina K., Hema A., Dabiré Constantin, Palé E., Duez Pierre , Luhmer Michel, Nacro M., "Major anthocyanin structure elucidation and radical-scavenging activities of total anthocyanins extract from Terminalia catappa red leaves" in ChemXpress, 8, 1, 48-55

  • Codes CREF : Chimie analytique (DI1314), Pharmacognosie (DI3410), Sciences pharmaceutiques (DI3400)
  • Unités de recherche UMONS : Chimie thérapeutique et Pharmacognosie (M136)
  • Instituts UMONS : Institut des Sciences et Technologies de la Santé (Santé)
Texte intégral :

Abstract(s) :

(Anglais) Terminalia catappa red leaves contained anthocyanin pigments possessing Radical-Scavenging Activities (RSA) comparable to those of Ascorbic acid. Total Anthocyanins Extract Content (TAEC) was estimated at 6 mg of kuromanin tetrafluoro acetate (KTFA) eq./g of dried material. Cyanidin 3-O-β-D-glucopyranoside (KTFA), was isolated and characterized using chemical, chromatographic and spectral methods. RSA of TAE were lower (10.57% Inhibition; 87.78% Inhibition) than ascorbic acid (26.72 % Inhibition; 92.30% Inhibition) respectively on both 2,2-diphényl-1-picrylhydrazyl radical and 2,2’-azinobis (3-ethylbenzothiazoline-6-sulfonic acid) radical-cation.