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Observational Study
. 2019 Jun;98(24):e15855.
doi: 10.1097/MD.0000000000015855.

The investigation of fatty acid composition of breast milk and its relationship with dietary fatty acid intake in 5 regions of China

Yan Liu  1   2 , Xinru Liu  1   2 , Lingning Wang  1   2
Affiliations
Observational Study

The investigation of fatty acid composition of breast milk and its relationship with dietary fatty acid intake in 5 regions of China

Yan Liu et al. Medicine (Baltimore). 2019 Jun.

Abstract

To investigate the relationship between dietary fatty acid (FA) intake and the lactate FA levels in Chinese women.A total of 2007 samples from 5 regions of China were collected, including 431 in Shandong, 402 in Changchun, 419 in Chongqing, 398 in Guangzhou, and 357 women in Hohhot. All participants were mothers of healthy full-term newborns, collecting the foremilk from day 1 to day 7 and the mature breast milk on day 42 after delivery. The FA composition of the breast milk was analyzed by high resolution capillary gas chromatography.The total FA content of mature breast milk in Shandong was the highest (34.95 g/L), and that was the lowest in Guangzhou (29.72 g/L). The saturated FA content of breast milk was increased from 1 to 7 days after delivery and decreased in mature breast milk. The saturated FA content of breast milk in Hohhot was the highest (37.43%), but that was the lowest in Changchun (32.80%). Maternal dietary FA composition was positively correlated with saturated FAs (SFA), polyunsaturated FAs (PUFA), and docosahexaenoic acid (DHA) (P < .001), and negatively with monounsaturated FAs (MUFA) (P > .05) in breast milk.The FA content of breast milk is different in different regions of China, which was affected by maternal dietary FA composition. Lactating women in China should consume more foods rich in polyunsaturated FAs to ensure the growth of infant.

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Conflict of interest statement

The authors declare that she has no conflict of interest. The authors alone are responsible for the content and writing of this article.

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