Changes in the fatty acid content of Egyptian human milk across the lactation stages and in comparison with Chinese human milk
2021
Bakry, Ibrahim A. | Korma, Sameh A. | Wei, Wei | Nafea, Alaa E. | Mahdi, Amer Ali | Ziedan, Noha I. | Wang, Xingguo
The standard food for feeding babies is breast milk (BM). There is a growing interest in research related to the composition and positional distribution of fatty acids (FAs) in BM due to their role as the primary source of energy, essential FAs, and other physiological functions in the body. The purpose of this study was to assess the extent of changes in FAs content of the BM of Egyptian women over the three lactation stages with a comparison to their Chinese counterparts. FAs contents of 45 BM samples obtained from healthy Egyptian women during the three stages of lactation were analyzed using gas chromatography. The results showed that the total saturated FAs formed about 50% of the total FAs over lactation stages. The poly-unsaturated FAs were significantly different in the three stages of lactation; (20.63%) colostrum, (15.21%) transitional, and (25.23%) mature of the total FAs. Despite some fluctuations, the total sn-2 proportion of the n-6/n-3 ratio was nearly stable during lactation. The BM of Egyptian women had a slightly higher proportion of palmitic, myristic acids and a ratio of n-6/n-3. Conversely, Chinese women’s BM has a significantly higher proportion of oleic, nervonic as well as arachidonic, and docosahexaenoic acids. Further study should be conducted to evaluate the FAs composition of some commercial infant formulas available in Egypt.
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