SciELO - Scientific Electronic Library Online

 
vol.34 número4Prevalencia de riesgo de desnutrición y desnutrición establecida en población ambulatoria, institucionalizada y hospitalizada en un departamento de saludCribado de la desnutrición hospitalaria en la admisión: la desnutrición aumenta la mortalidad y la duración de la estancia hospitalaria índice de autoresíndice de materiabúsqueda de artículos
Home Pagelista alfabética de revistas  

Servicios Personalizados

Revista

Articulo

Indicadores

Links relacionados

  • En proceso de indezaciónCitado por Google
  • No hay articulos similaresSimilares en SciELO
  • En proceso de indezaciónSimilares en Google

Compartir


Nutrición Hospitalaria

versión On-line ISSN 1699-5198versión impresa ISSN 0212-1611

Resumen

CASTRO-ALBARRAN, Jorge et al. Impact of pasteurization/freeze-drying on available immunoglobulin content of the mature human milk: use in human milk banking of hospitals. Nutr. Hosp. [online]. 2017, vol.34, n.4, pp.899-906. ISSN 1699-5198.  https://dx.doi.org/10.20960/nh.627.

Introduction: This study analyzes the effect on the content of immunoglobulins and C3 complement of freeze drying after pasteurization by three different methods in mature human milk (MHM). Objective: Freeze drying is proposed as a complementary method for the maintenance of MHM therapeutic properties with greater validity. Methods: This was a descriptive study in which MHM samples were obtained. Next, aliquots of the samples obtained were pasteurized by three methods: 62.5 oC/30 minutes, 72 oC/15 minutes, 85 oC/5 minutes, followed by a rapid cooling at 5 oC. Then, 30 ml volumes of pasteurized sample were freeze-dried over a period of 36 hours. Total protein determination was performed by the Lowry method. The concentrations of immunoglobulins A, G and M, and complement C3, were determined by conventional nephelometric technique following the manufacturer's instructions. Statistical significance was defined as p < 0.05. Results: The method of pasteurization of MHM with increased protein and immunoglobulin retention was at 62.5 oC, however, pasteurization at 72 oC before freeze-drying showed better retention of immunoglobulins. Conclusions: Our results suggest that the freeze-drying of pasteurized MHM is a suitable method for the conservation in human milk banks. Both the nutritional composition and the extension of its validity and the application of the two processes together provide the advantage of maintaining the therapeutic properties of human milk to improve the health of the newborn in a vulnerable, impaired or immunosuppressed state.

Palabras clave : Immunoglobulins; Human milk; Pasteurization; Freeze drying; Milk banks.

        · resumen en Español     · texto en Español     · Español ( pdf )

 

Creative Commons License Todo el contenido de esta revista, excepto dónde está identificado, está bajo una Licencia Creative Commons