Composition and distribution of fatty acids in triglycerides from goat infant formulas with milk fat

Journal of Dairy Science
C G ProsserD J Lowry

Abstract

Most infant formulas use vegetable oils in place of milk fat to provide an overall fatty acid profile similar to that of breast milk. Vegetable oils have 5 to 20% saturated fatty acids in the sn-2 position of triglycerides unless they are modified by interesterification. Interesterification is increasingly used for the fat for infant formulas to raise the level of saturated fatty acids in the sn-2 position to 40 to 60%. The objective of this study was to verify an alternative approach to providing the appropriate fatty acid profile, including in the sn-2 position, for a goat infant formula. In this method, 55% of total fat was made from goat milk fat and 45% from a mixture of unmodified high oleic sunflower, canola, and sunflower oils in a ratio of 44:30:26. The fatty acid profile was measured by gas-liquid chromatography and the relative percentage of fatty acids in the sn-2 position of triglycerides was measured via partial deacylation with Grignard reagent using trimethylsilyl derivatives of monoacylglycerols. Mixing goat milk fat with vegetable oils produced a formula with a profile of essential fatty acids and a ratio of linoleic:alpha-linolenic fatty acids within the required interval of 5 to 15:1 recommended for infant f...Continue Reading

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Citations

Mar 19, 2015·Journal of Pediatric Gastroenterology and Nutrition·Olaf UhlBerthold Koletzko
Oct 27, 2018·Breastfeeding Medicine : the Official Journal of the Academy of Breastfeeding Medicine·Thaneswari JuvarajahPuteri Shafinaz Abdul-Rahman
Jun 20, 2020·Journal of Agricultural and Food Chemistry·Yan ZhangYuanfa Liu
Jun 29, 2021·Frontiers in Cell and Developmental Biology·Anna C PhamBen J Boyd

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