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Published in: BMC Pediatrics 1/2019

Open Access 01-12-2019 | Research article

Macronutrient content of pooled donor human milk before and after Holder pasteurization

Authors: Pasqua Piemontese, Domenica Mallardi, Nadia Liotto, Chiara Tabasso, Camilla Menis, Michela Perrone, Paola Roggero, Fabio Mosca

Published in: BMC Pediatrics | Issue 1/2019

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Abstract

Background

Donor human milk (DHM) is the best alternative for preterm infants when their own mother’s milk is unavailable. DHM should be pasteurized to guarantee microbiological safety; however, this process can influence the macronutrient content.
The aim of this study was to investigate the effect of Holder pasteurization (HoP) on DHM macronutrient content.

Methods

Protein, lactose, lipids (g/100 ml) and energy (kcal/100 ml) of DHM pools were analysed before and after HoP (62.5 °C for 30 min) using mid-infrared spectroscopy (HM analyser Miris AB®). The mean macronutrient content before and after HoP was compared by paired t-test. The percentage decreases (Delta%) were calculated.

Results

The change in macronutrient content of 460 pools was determined. Protein, lipids and lactose decreased significantly after HoP (0.88 ± 0.20 vs 0.86 ± 0.20 and 2.91 ± 0.89 vs 2.75 ± 0.84 and 7.19 ± 0.41 vs 7.11 ± 0.48 respectively). The Delta% values were − 2.51 ± 13.12, − 4.79 ± 9.47 and − 0.92 ± 5.92 for protein, lipids and lactose, respectively (p ≤ 0.001).

Conclusion

This study confirms that the macronutrient content of DHM, especially in terms of lipids and protein, is reduced after HoP. Therefore, in order to perform a tailored fortification of DHM, the clinicians need to be aware of the somewhat diminished nutrient content of DHM.
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Metadata
Title
Macronutrient content of pooled donor human milk before and after Holder pasteurization
Authors
Pasqua Piemontese
Domenica Mallardi
Nadia Liotto
Chiara Tabasso
Camilla Menis
Michela Perrone
Paola Roggero
Fabio Mosca
Publication date
01-12-2019
Publisher
BioMed Central
Published in
BMC Pediatrics / Issue 1/2019
Electronic ISSN: 1471-2431
DOI
https://doi.org/10.1186/s12887-019-1427-5

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