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Nutrients and Bioactive Components of Human Milk After one Year of Lactation. Implication for Human Milk Banks

Abstract

Objective: Specifying the nutrient content and bioactive compounds in milk from long-term lactation for the purpose of finding additional sources of donors’ milk for HMBs. Method: Human milk samples were collected from 43 mothers of term infants (term infant human milk, TIHM) (3–6 weeks of lactation) and 50 mothers who have breastfed for over a year (long-nursing human milk, LNHM). The milk collection time was 24 hours. The analyses of fat, protein, carbohydrate and energy content were performed with human milk analyser MIRIS; lactoferrin and vitamin C content using RP-HPLC; total antioxidant activity (TAC) and lysozyme by ELISA; and the activity of glutathione peroxidase (GPx) and catalase (CAT) via spectrophotometric methods. Sociodemographic characteristics of both groups of mothers have been compiled. Results: Higher fat content and energy value was found in LNHM than in TIHM. Protein content in LNHM and TIHM did not differ. Carbohydrate content was lower in LNHM than in TIHM. TAC, CAT and GPx activity were higher in LNHM compared to TIHM. No significant differences in the content of lysozyme, lactoferrin and vitamin C between the studied groups were found. Conclusions: The findings suggest that after 12 months of lactation, human milk still has significant nutritional value, does not lose bioactive components and can be considered for use in human milk banks

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Category:
Articles
Type:
artykuły w czasopismach
Published in:
JOURNAL OF PEDIATRIC GASTROENTEROLOGY AND NUTRITION no. 74, pages 284 - 291,
ISSN: 0277-2116
Language:
English
Publication year:
2022
Bibliographic description:
Sinkiewicz-Darol E., Martysiak-Żurowska D., Puta M., Adamczyk I., Barbarska O., Wesołowska A., Bernatowicz-Łojko U.: Nutrients and Bioactive Components of Human Milk After one Year of Lactation. Implication for Human Milk Banks// JOURNAL OF PEDIATRIC GASTROENTEROLOGY AND NUTRITION -Vol. 74,iss. 2 (2022), s.284-291
DOI:
Digital Object Identifier (open in new tab) 10.1097/mpg.0000000000003298
Sources of funding:
  • Free publication
Verified by:
Gdańsk University of Technology

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