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Growth of "Escherichia coli" in human milk and powdered infant formula under various treatments and feeding conditions in neonatal units


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Título : Growth of "Escherichia coli" in human milk and powdered infant formula under various treatments and feeding conditions in neonatal units
Autor : López Mendoza, María Carmen
Lozano Fuentes, Marta
García Romero, Edgar
Ruiz García, Pilar
Gormaz, María
Jordano, Rafael
Medina, Luis Manuel
Ramón Beltrán, Amparo
Silvestre Castelló, Dolores
Materias: Leche maternaMother's milkLactancia maternaBreast feedingEscherichia coli
Editorial : MDPI
Citación : López-Mendoza, M.C., Lozano, M., García-Romero, E., Ruiz-García, P., Gormaz, M., Jordano, R., Medina, L.M., Ramón-Beltrán, A., & Silvestre, D. (2023). Growth of "Escherichia coli" in human milk and powdered infant formula under various treatments and feeding conditions in neonatal units. Applied Sciences, 13, 8978. https://doi.org/10.3390/app13158978
Resumen : Milk supplied to neonates in neonatal units is kept at room temperature for some time, which could influence microbial growth. This study aims to evaluate the growth of Escherichia coli in HM and PIF under various treatments and conditions, as well as to determine the influence of different thawing methods on microbial growth in HM. The number of E. coli generations appearing over a 4 h period at 22 °C in HM (frozen; frozen and pasteurized; and frozen, pasteurized, and fortified) and in PIF (four brands) was determined. E. coli counts in HM inoculated and thawed using different methods were also compared. In frozen HM and in pasteurized and frozen HM, significant differences were found after 2.5 h and 1.5 h, respectively. In PIF, differences were found between 1.5 and 3 h. With regard to the thawing process, the lowest microorganism counts were obtained at 4 °C overnight; thus, it seems advisable to store milk at room temperature for a maximum of 1 h during administration in neonatal units. Thawing HM at 4 °C overnight should be the method of choice.
Descripción : Este artículo pertenece al número especial "Microbiological Contamination: Latest Advances and Prospects".
URI : http://hdl.handle.net/10637/16279
Derechos: http://creativecommons.org/licenses/by/4.0/deed.es
Open Access
ISSN : 2076-3417 (Electrónico)
Fecha de publicación : 4-ago-2023
Centro : Universidad Cardenal Herrera-CEU
Aparece en las colecciones: Dpto. Producción y Sanidad Animal, Salud Pública Veterinaria y Ciencia y Tecnología de los Alimentos





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