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食品与发酵工业 2024年

作者：吴秋菊何静明亮伊丽吉日木图 1.内蒙古农业大学乳品生物技术与工程教育部重点实验室 2.内蒙古中哈骆驼研究院内蒙古农业大学乳品生物技术与工程教育部重点实验室内蒙古中哈骆驼研究院

In this study， the in vitro digestion model of infants was used to compare and analyze the digestion characteristics of protein， lipid and microstructure in camel colostrum and mature milk， aiming to reveal the differences in digestion behavior between the two. The results showed that after 30 min of gastric digestion and 30 min of intestinal digestion， the protein concentration of camel colostrum and mature milk decreased sharply， and the degree of hydrolysis was significantly different. Camel colostrum contains proteins that are beneficial to the infant 's immune system. After hydrolysis， more essential amino acids are released， which is beneficial to the growth and development of infants. There was no significant difference in the degree of lipolysis between the two lipids after gastric digestion， but there was significant difference at the end of digestion after rapid lipolysis after intestinal digestion. There are more triglycerides (TAGs)， diacylglycerols (DAGs) and monoglycerides (MAGs) in the lipolysis products of camel colostrum， while more free fatty acids (FFAs) are produced in normal milk， among which C16:0， C16:1 and C14:0 are higher， which are essential for infant cell structure and growth and development， as well as nervous system and brain development. The above results show that the protein and fat in camel colostrum and mature milk can be well digested by infants， and the free amino acids and free fatty acids produced are beneficial to the growth and development of infants， which provides a reference for the development of camel colostrum and mature milk-based infant formula in the future

关键词：体外消化驼初乳驼常乳蛋白质脂质

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