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| Composition of 1,3-diunsaturated fatty acid-2-palmitin triacylglycerols in human milk and their functions: a review |
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| KeyWord:palmitic acid human milk fat triacylglycerol infant unsaturated fatty acid |
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| Abstract: |
| 1,3-Diunsaturated fatty acid-2-palmitin triacylglycerols (UPU) are the triacylglycerols that unsaturated fatty acids combined at sn-1 or 3 position, and palmitic acid located at the sn-2 position. UPU has the highest content in human milk fat, providing infant balanced fatty acids and triacylglycerols which are important for infant growth. In order to provide the scientific basis for the development of novel human milk fat substitutes, the contents of three sn-2 palmitate triglycerides UPU, UPS and SPS in human milk fat in different countries and regions, and the composition and contents of UPU in maturing human milk in China were systematically introduced, the function of UPU in terms of reducing fecal hardness, promoting fat and mineral absorption, protecting intestinal health of infants, providing a wider variety of fatty acids in a more stable and balanced ratio, and its digestive and absorption properties were discussed, and the differences in the composition of commercially available nutritional fortifier OPO and UPU in human milk were compared.The LC-MS method was proposed to be more suitable for the determination of OPO content in infant formula. |
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