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1.
Acta cient. venez ; 49(3): 201-3, 1998. tab
Article in English | LILACS | ID: lil-225383

ABSTRACT

Cosmopolites sordidus is an important pest on banana plantations worldwide. The chemistry of the aggregation pheromone of this insect has been recently resolved and here we present the first evidence from field trails that sordidin, a compound from the male releases aggregation pheromone, attracts significant number of weevils only if host plant odors are also present. Sordidin attracts few insects when it is presented without the host plant tissue. However, the attractiveness of host plant tissue increases more than tenfold when it is presented simultaneously with sordidin in field traps. We confirm experimentally that sordidin may be used as part of a system for mass trapping and monitoring this insect.


Subject(s)
Animals , Coleoptera/drug effects , Bridged Bicyclo Compounds/pharmacology , Pheromones , Zingiberales/parasitology , Drug Synergism
2.
Arch. invest. méd ; 16(4): 423-31, oct.-dic. 1985. ilus, tab
Article in Spanish, English | LILACS | ID: lil-40334

ABSTRACT

Se determinó la glucemia después de la administración subcutánea de glucosa a ratas machos adultas en varios tiempos. Se evaluó el efecto hipoglucemiante conocido del clorhidrato de feniletilbiguanida (FEB) después de su administración oral, y este compuesto sirvió como referencia. Se probaron seis nuevos compuestos sintetizados por los autores, relacionados con el ácido biciclo (3, 1, 0) hexano-6-hexo-carboxílico (ABCH). Se comprobó la actividad hipoglicemiante conocida del ABCH). Los seis nuevos compuestos conservaron la configuración exo y todos mostraron actividad hipoglucemiante oral en tiempos variables


Subject(s)
Rats , Animals , Male , Blood Glucose/blood , Bridged Bicyclo Compounds/pharmacology
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