Lipid peroxidation of infant milk formula

O. Saphier; T. Silberstein

Lipid peroxidation of infant milk formula

In: Handbook of dietary and nutritional aspects of bottle feeding

Authors:

O. Saphier

O. Saphier ¹Department of Chemical Engineering, Faculty of chemical engineering, Sami Shamoon College of Engineering, Beer-Sheva Campus, Bialik/Basel Sts, Beer-Sheva 84100, Israel

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T. Silberstein

T. Silberstein ²Department of Gynecology and Obstetrics, Soroka University Hospital, Ben-Gurion University of the Negev, Beer-Sheva, Israel oshras@sce.ac.il

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Type:: Chapter

Pages:: 239–255

DOI:: https://doi.org/10.3920/9789086867776_017

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Powdered infant formula normally shows fatty acid compositions similar to those of human milk, generally achieved by combination of vegetable oils. Long chain polyunsaturated fatty acids, docosahexaenoic acid C22:6n-3 and arachidonic acid C20:4n-6 are found to be important in the development of brain and retina in utero. Lipid peroxidation is a free-radical chain reaction of polyunsaturated fatty acids. Increasing polyunsaturated fatty acid content in infant formula may predispose infants to peroxidative damage. Lipid peroxidation leads to rancidity that is critical in neonatal infant formulas. The assessment of lipid peroxidation is usually performed by analyzing the most important secondary product of autoxidation, malondialdehyde, but there are also many other direct and indirect methods for predicting lipid peroxidation level. This chapter deals with levels of lipid oxidation in neonatal milk substitutes. The chapter presents a review of studies carried out in the last two decades. Most studies deal with the effect of storage on lipid oxidation in baby milk substitutes. In some cases a comparison was made between breast milk and newborns milk formula, or different brands of baby milk formula. The chapter focused on storage in various conditions; freezing at low temperatures, ambient temperature preservation and high temperatures. The main conclusions from this literature review are: (1) neonatal milk substitutes that contain more unsaturated fatty acids are more susceptible to oxidation; (2) breast milk is considered to be less sensitive to oxidative damage during the feeding process than formulas; (3) formulas based on soy are more susceptible to oxidation damages; (4) exposure of neonatal milk substitutes to oxygen, radiation or extreme temperatures, increases oxidative lipids damage.

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Handbook of dietary and nutritional aspects of bottle feeding

Series: Human Health Handbooks, Volume: 8

E-Book ISBN:: 9789086867776

Publisher:: Wageningen Academic

Print Publication Date:: 28 Nov 2014

Subjects
- Life Sciences
  - General
  - Food & Health

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Lipid peroxidation of infant milk formula

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Handbook of dietary and nutritional aspects of bottle feeding

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