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1.
Exp Parasitol ; 262: 108777, 2024 Jul.
Artículo en Inglés | MEDLINE | ID: mdl-38735520

RESUMEN

This study describes the in vitro anthelmintic effect of a hydroalcoholic extract (HA-E) and its fractions from Cyrtocarpa procera fruits against Haemonchus contortus eggs and infective larvae. The HA-E was subjected to bipartition using ethyl acetate, which resulted in an aqueous fraction (Aq-F) and an organic fraction (EtOAc-F). The HA-E and both fractions were tested using the egg hatching inhibition assay (EHIA) and the larval mortality test (LMT). Fractionation of the EtOAc-F was achieved using different chromatographic processes, i.e., open glass column and HPLC analysis. Fractionation of the EtOAc-F gave 18 subfractions (C1R1-C1R18), and those that showed the highest yields (C1R15, C1R16, C1R17 and C1R18) were subjected to anthelmintic assays. The HA-E and the EtOAc-F displayed 100% egg hatching inhibition at 3 and 1 mg/mL, respectively, whereas Aq-F exhibited 92.57% EHI at 3 mg/mL. All subfractions tested showed ovicidal effect. Regarding the larval mortality test, HA-E and EtOAc-F exhibited a larvicidal effect higher than 50% at 50 and 30 mg/mL, respectively. The subfractions that showed the highest larval mortality against H. contortus were C1R15 and C1R17, with larval mortalities of 53.57% and 60.23% at 10 mg/mL, respectively. Chemical analysis of these bioactive subfractions (C1R15 and C1R17) revealed the presence of gallic acid, protocatechuic acid, and ellagic acid. This study shows evidence about the ovicidal and larvicidal properties of C. procera fruits that could make these plant products to be considered as a natural potential anthelmintic agents for controlling haemonchosis in goats and sheep.


Asunto(s)
Antihelmínticos , Frutas , Haemonchus , Larva , Óvulo , Extractos Vegetales , Animales , Haemonchus/efectos de los fármacos , Extractos Vegetales/farmacología , Extractos Vegetales/química , Larva/efectos de los fármacos , Frutas/química , Antihelmínticos/farmacología , Antihelmínticos/aislamiento & purificación , Antihelmínticos/química , Óvulo/efectos de los fármacos , Cromatografía Líquida de Alta Presión , Ovinos , Hemoncosis/parasitología , Hemoncosis/veterinaria , Enfermedades de las Ovejas/parasitología
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