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Effect of pasteurization on the bactericidal capacity of human milk


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Title: Effect of pasteurization on the bactericidal capacity of human milk
Authors : Silvestre Castelló, Dolores
Ruiz, Pilar
Martínez Costa, C.
Plaza, A.
López Mendoza, María Carmen
Keywords: Leche maternaMother's milkLactancia maternaBreast feedingMicrobiologíaMicrobiologyPasteurizaciónPasteurisation
Publisher: Sage
International Lactation Consultant Association
Citation: Silvestre, D., Ruiz, P., Martínez-Costa, C., Plaza, A., & López, M.C. (2008). Effect of pasteurization on the bactericidal capacity of human milk. Journal of Human Lactation, 24(4), 371-376. https://doi.org/10.1177/0890334408319158
Abstract: The use of human milk in milk banks requires thermal processing to eliminate microbiological hazards. An evaluation is made of the stability of overall human milk bactericidal capacity following 2 modalities of thermal pasteurization: 63°C/30 minutes and 75°C/15 seconds. Ten milk samples (mature milk) were analyzed. In each sample, the effect of both thermal treatments on bactericidal capacity against Escherichia coli was evaluated in relation to the capacity of fresh milk (control). All the samples analyzed possessed bactericidal capacity. Human milk pasteurization induced a significant loss of this capacity that was more pronounced after high-temperature treatment than after low-temperature processing. Untreated milk, low-pasteurized milk, and high-pasteurized milk yielded a reduction in E. coli growth of 70.10%, 52.27%, and 36.39%, respectively. In conclusion, human milk possesses antimicrobial activity that is lost in part as a result of thermal processing. Such bactericidal capacity is, moreover, better preserved by low-temperature, long-time pasteurization.
Description: Este recurso no está disponible en acceso abierto por política de la editorial.
URI: http://hdl.handle.net/10637/16296
Rights : http://creativecommons.org/licenses/by-nc-nd/4.0/deed.es
ISSN: 0890-3344
1552-5732 (Electrónico)
Issue Date: 2008
Center : Universidad Cardenal Herrera-CEU
Appears in Collections:Dpto. Producción y Sanidad Animal, Salud Pública Veterinaria y Ciencia y Tecnología de los Alimentos





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