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An. acad. bras. ciênc ; 80(2): 271-277, June 2008. ilus, tab
Article in English | LILACS | ID: lil-482881

ABSTRACT

Annona squamosa seeds extracts showed anthelmintic activity against Haemonchus contortus, the main nematode of sheep and goat in Northeastern Brazil. A compound 1 was isolated from ethyl acetate extract and inhibited the egg hatching of H. contortus at 25 mg ml-1. The structure of 1 was determined as a C37 trihydroxy adjacent bistetrahydrofuran acetogenin based on spectroscopic analysis.


Extratos das sementes de Annona squamosa demonstraram atividade anti-helmíntica contra Haemonchus contortus, o principal nematódeo de ovinos e caprinos no Nordeste do Brasil. O composto 1 foi isolado do extrato acetato de etila e inibiu a eclosão dos ovos de H. contortus a 25 mg ml-1. A estrutura de 1 foi determinada como uma acetogenina C37 tri-hidroxi bis-tetrahydrofurano adjacente, baseando-se nos dados espectrais.


Subject(s)
Animals , Acetogenins/pharmacology , Annona/chemistry , Anthelmintics/pharmacology , Haemonchus/drug effects , Ovum/drug effects , Acetogenins/chemistry , Acetogenins/isolation & purification , Anthelmintics/chemistry , Anthelmintics/isolation & purification , Parasitic Sensitivity Tests , Plant Extracts/chemistry , Plant Extracts/isolation & purification , Plant Extracts/pharmacology , Spectrum Analysis , Seeds/chemistry
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