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Bol. latinoam. Caribe plantas med. aromát ; 13(1): 31-37, ene. 2014. ilus, tab
Article in English | LILACS | ID: lil-726601

ABSTRACT

Two compounds from the hexane extract of seeds of Byrsonima crassifolia were isolated and their structures elucidated using extensive spectroscopic analyses. These compounds are derived from the new labdane diterpene Labda-17-(1) and the known antimicrobial Labda-8 (17)-(2). The present study was aimed to study the effect antimicrobial of novel diterpene 1 against bacterial pathogens showed a moderate activity with MIC values 18.79-70.12 ug/ml and a MBC ranging between 250-1000 ug/ml against all assayed microorganisms.


Se aislaron dos compuestos del extracto de hexano de semillas de Byrsonima crassifolia y sus estructuras se dilucidaron por medio de extensos análisis espectroscópicos. Estos compuestos derivados del labdano corresponden al nuevo diterpeno Labda-17- (1) y el conocido antimicrobiano Labda-8(17)-(2). En el presente estudio se estudió el efecto antimicrobiano del nuevo diterpeno 1 sobre algunas bacterias patógenas mostrando sobre de estas una actividad moderada, con valores de MIC de 18.79-70.12 ug/ml y un rango de MBC que oscila entre 250-1000 ug/ml frente a todos los microorganismos ensayados.


Subject(s)
Anti-Bacterial Agents/pharmacology , Anti-Bacterial Agents/chemistry , Diterpenes/chemistry , Plant Extracts/pharmacology , Malpighiaceae/chemistry , Seeds , Gram-Negative Bacteria , Gram-Positive Bacteria , Diterpenes/isolation & purification , Microbial Sensitivity Tests
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