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| Digestive characteristics of breast milk fat in vitro simulated pre-term infants gastrointestinal digestion |
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| DOI：10.12166/j.zgyz.1003-7969/2020.11.010 |
| KeyWord:breast milk fat pre-term infant in vitro simulated digestion gastric digestion small intestine digestion lipolysis |
| FundProject:：江南大学学生创新训练计划资助（2019522X）; 中国科协青年人才托举工程(2017QNRC001) |
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| Abstract: |
| An in vitro dynamics model of pre-term infant gastrointestinal digestion was established to study the lipolytic properties of breast milk fat in the infant’s stomach and small intestine. The results showed that breast milk fat digested slowly in the stomach of pre-term infants, and the lipolysis degree was (7.03±0.15)% when digested for 120 min. The breast milk fat digested faster in the small intestine of pre-term infants, and the lipolysis degree was (37.22±1.43)% when digested for 120 min. The free fatty acids produced during the whole digestion phase were mainly C18∶ 1n-9, C18∶ 2n-6 and C16∶ 0, and the fatty acid composition of the monoglyceride at the sn-2 position released in the small intestine were mainly C16∶ 0, C14∶ 0, C18∶ 1n-9 and C18∶ 2n-6. |
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