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Bol. latinoam. Caribe plantas med. aromát ; 19(5): 508-518, 2020. tab, ilus
Article in English | LILACS | ID: biblio-1283650

ABSTRACT

The aim of this work was to evaluate the potential of the essential oil (EO) from Ocotea pulchella leaves as an alternative in the control of schistosomiasis. It was tested O. pulchella EO nanoformulation to assess its activity against adult Biomphalaria glabrata, their spawning and Schistossoma mansoni cercariae. Additionally, the EO chemical composition was investigated by gas-chromatography. Nanoemulsion were elaborated by the low energy method. The adult mollusks, their spawning and cercariae were placed in contact with nanoemulsion to calculate lethal concentrations. Myristicin, bicyclogermacrene and α-Pinene were the main substances in the EO. Nanoemulsion caused mortality of adult B. glabrata, its egg embryos and S. mansoni. These results suggest the use of this nanoemulsion as an alternative in the control of the schistosomiasis cycle.


El objetivo de este trabajo fue evaluar el potencial de los aceites esenciales (AE) de las hojas de Ocotea pulchellacomo una alternativa en el control de esquistosomiasis. Se probó una nanoformulación de AE de O. pulchellapara evaluar su actividad ante adultos de Biomphalaria glabrata, sus huevos y cercarías de Schistossoma mansoni. La nanoemulsión fue elaborada por el método de baja energía. Los moluscos adultos, sus huevos y cercarías se colocaron en contacto con la nanoemulsión para calcular concentraciones letales. Los compuestos mayoritarios en el AE fueron miristicina, biciclogermacreno y α-pineno. La nanoemulsión causó mortalidad en adultos de B. glabrata, sus huevos y a S. mansoni. Los resultados sugieren el uso de esta nanoemulsión como una alternativa en el control del ciclo de esquistosomiasis.


Subject(s)
Animals , Schistosomiasis/prevention & control , Oils, Volatile/administration & dosage , Ocotea/chemistry , Emulsions/administration & dosage , Mollusca/drug effects , Schistosoma mansoni/drug effects , Biomphalaria/drug effects , Oils, Volatile/pharmacology , Oils, Volatile/chemistry , Pest Control, Biological , Chromatography, Gas , Sesquiterpenes, Germacrane/analysis , Dioxolanes/analysis , Emulsions/pharmacology , Cercaria/drug effects , Hydrophobic and Hydrophilic Interactions , Allylbenzene Derivatives/analysis , Bicyclic Monoterpenes/analysis
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