Role of Radicals in the Lipid Peroxidation Products of Commercial Infant Milk Formula

Ariela Burg, Tali Silberstein, G. U.Y. Yardeni, Dorith Tavor, Jeanine Blumenfeld, Israel Zilbermann, Oshra Saphier

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

Four commercial brands of infant milk formula were investigated, and the amount of shelf lipid peroxidation was determined by measuring malondialdehyde (MDA) or, more exactly, thiobarbituric acid reactive substance (TBARS) levels, which are the end products of lipid peroxidation. TBARS level, indicated by MDA concentration, was higher in the vegetarian brands. The vegetarian brands are, as expected, more prone to oxidation than dairy brands, as they contain more unsaturated fats. The introduction of formate anion diminishes the peroxide amounts initially present in the milk samples as well as those induced by radiation-induced oxidation.

Original languageEnglish
Pages (from-to)2347-2350
Number of pages4
JournalJournal of Agricultural and Food Chemistry
Volume58
Issue number4
DOIs
StatePublished - 24 Feb 2010

Keywords

  • Infant formulas
  • Ionizing radiation
  • Lipid peroxidation
  • Scavengers

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