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Artículo

Application of bacteriocins from Enterococcus hirae on butterhead lettuce seeds inoculated with Escherichia coli O157:H7

Goñi, María GabrielaIcon ; Tomadoni, Bárbara MaríaIcon ; Audisio, Marcela CarinaIcon ; Ibarguren, CarolinaIcon ; Roura, Sara InesIcon ; Moreira, Maria del RosarioIcon ; Ponce, Alejandra GracielaIcon
Fecha de publicación: 12/2016
Editorial: Universiti Putra Malaysia
Revista: International Food Research Journal
ISSN: 1985-4668
e-ISSN: 2231 754
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Otras Ciencias Biológicas

Resumen

Several outbreaks of Escherichia coli O157:H7 infections have been associated with contaminated seeds and sprouts. Effective procedures to control pathogenic bacteria on seeds destined for sprout production should be developed to ensure an acceptable microbiological quality. In this study, the use of bacteriocins produced by Enterococcus hirae (Eh9) was analyzed as a potential method to control the endogenous microbial populations of lettuce seeds and avoid pathogen contamination on seeds destined for sprout production. Seeds decontamination with Eh9 cell-free supernatant (CFS) achieved a significative fungiostatic effect without affecting germination. CFS treatment did not exert a biocontrol effect on E. coli endogenous; however, a significant bacteriocin biocontrol was reached on lettuce seeds inoculated with exogenous E. coli during refrigerated storage (7 days). Germination percentage and potential yield were not affected by the treatments. A better understanding of the behavior of pathogens in preharvest environments will assure the delivery of safe produce to the consumer.
Palabras clave: Enterococcus Hirae , Bacteriocins , Bioprotectors , Food Pathogens
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info:eu-repo/semantics/openAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)
Identificadores
URI: http://hdl.handle.net/11336/65651
URL: http://www.ifrj.upm.edu.my/23%20(06)%202016/(48).pdf
Colecciones
Articulos(CCT - MAR DEL PLATA)
Articulos de CTRO.CIENTIFICO TECNOL.CONICET - MAR DEL PLATA
Articulos(INIQUI)
Articulos de INST.DE INVEST.PARA LA INDUSTRIA QUIMICA (I)
Citación
Goñi, María Gabriela; Tomadoni, Bárbara María; Audisio, Marcela Carina; Ibarguren, Carolina; Roura, Sara Ines; et al.; Application of bacteriocins from Enterococcus hirae on butterhead lettuce seeds inoculated with Escherichia coli O157:H7; Universiti Putra Malaysia; International Food Research Journal; 23; 6; 12-2016; 2653-2660
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