Please use this identifier to cite or link to this item:
https://hdl.handle.net/2440/133757
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Type: | Journal article |
Title: | Daily variation of macronutrient concentrations in mature human milk over 3 weeks |
Author: | Leghi, G.E. Lai, C.T. Narayanan, A. Netting, M.J. Dymock, M. Rea, A. Wlodek, M.E. Geddes, D.T. Muhlhausler, B.S. |
Citation: | Scientific Reports, 2021; 11(1):10224-1-10224-9 |
Publisher: | Springer Science and Business Media |
Issue Date: | 2021 |
ISSN: | 2045-2322 2045-2322 |
Statement of Responsibility: | Gabriela E. Leghi, Ching T. Lai, Ardra Narayanan, Merryn J. Netting, Michael Dymock, Alethea Rea ... et al. |
Abstract: | Human milk (HM) composition is known to be highly variable, both between individuals and across the duration of lactation. It is less clear, however, to what extent fat, lactose and protein concentrations in HM change daily over shorter time periods in mature HM, and no studies have evaluated this to date. The aim of this study was to systematically assess and compare HM macronutrient concentrations in samples collected at different times of day, from left and right breasts and daily across a 3-week period in the same woman. Fifteen lactating women (1.6-4.9 months postpartum) collected daily pre-feed HM samples from both breasts each morning for 21 consecutive days and completed intensive sampling once a week (morning, afternoon and evening samples) during this period. Concentrations of fat, protein and lactose in HM did not differ according to time of day, day of week or breast used for collection. The results of this study suggest that pre-feed samples collected at any point across a 3-week period and from either the left or right breast provide comparable measures of fat, protein and lactose concentrations in mature HM, in pragmatic studies where women are collecting their own HM samples.Clinical trial registration: Australian New Zealand Clinical Trials Registry (ACTRN12619000606189). |
Keywords: | Nutrition; paediatric research |
Rights: | This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/. |
DOI: | 10.1038/s41598-021-89460-5 |
Published version: | http://dx.doi.org/10.1038/s41598-021-89460-5 |
Appears in Collections: | Agriculture, Food and Wine publications |
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hdl_133757.pdf | Published version | 1.42 MB | Adobe PDF | View/Open |
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