Effects of organic extracts of bursera copallifera and B. lancifolia leaves in the development of spodoptera frugiperda
Por:
Cárdenas R., Serrano J.J.R., Llanos-Romero E., Aguirre-Hernández E., Herrera-Santoyo J., Zúfñga B., Rodarte B., Alba-Lois L., Guevara-Fefer P.
Publicada:
1 ene 2012
Categoría:
Insect Science
Resumen:
The genus Burserahas worldwide presence, some of its representative species are distributed in Mexico, where are locally used as insecticides. Phytochemical studies of Bursera species have mentioned the presence of terpenoids, flavonoids and lignans. The plants extracts have been shown to possess a range of biological activities. Within the search of natural products with activity on insects, organic extracts (hexane, ethyl acetate and methanol) of Bursera copallifera and B. lancifolia leaves were tested for its effect on Spodoptera frugiperda development and acetylcholinesterase inhibitory activity. The extracts were analyzed by planar chromatography using reagents (anisaldehyde and natural products reagent) to detect specific groups of compounds. Neonate larvae of S. frugiperda were fed with insect diet mixed with extracts in a concentration of 1000 ppm. After seven days of the initial dosing, surviving larvae were weighed and its length measured. Administration of the hexane, ethyl acetate and methanol extracts from both species were correspondent with reduced larval weight and size. Insects treated with B. copallifera extracts were the most affected (73±0.005%, p<0.05 and 35±0.04% for weight and size reductions in ethyl acetate treatment). Acetyl cholinesterase of S. frugiperda was inhibited in vitro to similar extent by methanol (IC 50 367 jig mL _1) and ethyl acetate extracts (IC 50 397 jig mL _1) from B. copallifera and B. lancifolia, respectively. Presence of terpenoids and flavonoids were confirmed after planar chromatography analysis. Results indicate that the extracts reduced larval growth and suggest that detected constituents may be partially responsible for the biological activity observed. Further studies on the physiological response when administered to insects and chemical characterization of the extracts are recommended. © 2012 Academic Journals Inc.
Filiaciones:
Cárdenas R.:
Departamento de Biologia Celular, Facultad de Ciencias, Universidad Nacional Autonoma de Mexico, CiudadUniversitaria, Coyoacan 04510, Mexico
Serrano J.J.R.:
Departamento de Ecologia y, Recursos Naturales, Facultad de Ciencias, Universidad Nacional Autonoma de Mexico, CiudadUniversitaria, Coyoacan 04510, Mexico
Llanos-Romero E.:
Departamento de Ecologia y, Recursos Naturales, Facultad de Ciencias, Universidad Nacional Autonoma de Mexico, CiudadUniversitaria, Coyoacan 04510, Mexico
Aguirre-Hernández E.:
Departamento de Ecologia y, Recursos Naturales, Facultad de Ciencias, Universidad Nacional Autonoma de Mexico, CiudadUniversitaria, Coyoacan 04510, Mexico
Herrera-Santoyo J.:
Departamento de Ecologia y, Recursos Naturales, Facultad de Ciencias, Universidad Nacional Autonoma de Mexico, CiudadUniversitaria, Coyoacan 04510, Mexico
Zúfñga B.:
Departamento de Ecologia y, Recursos Naturales, Facultad de Ciencias, Universidad Nacional Autonoma de Mexico, CiudadUniversitaria, Coyoacan 04510, Mexico
Rodarte B.:
Departamento de Biologia Celular, Facultad de Ciencias, Universidad Nacional Autonoma de Mexico, CiudadUniversitaria, Coyoacan 04510, Mexico
Alba-Lois L.:
Departamento de Biologia Celular, Facultad de Ciencias, Universidad Nacional Autonoma de Mexico, CiudadUniversitaria, Coyoacan 04510, Mexico
Guevara-Fefer P.:
Departamento de Ecologia y, Recursos Naturales, Facultad de Ciencias, Universidad Nacional Autonoma de Mexico, CiudadUniversitaria, Coyoacan 04510, Mexico
Bronze
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