食品与发酵工业 >

2025 , Vol. 51 >Issue 4: 154 - 161

DOI: https://doi.org/10.13995/j.cnki.11-1802/ts.039181

研究报告

基于模拟婴儿胃肠消化的骆驼初乳和常乳中蛋白质和脂肪消化特性的比较分析

  • 吴秋菊 ,
  • 何静 ,
  • 明亮 ,
  • 伊丽 ,
  • 吉日木图
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  • 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,内蒙古 呼和浩特,010018)
    2(内蒙古中哈骆驼研究院,内蒙古 阿拉善,737300)
第一作者:硕士研究生(吉日木图教授和伊丽讲师为共同通信作者,E-mail:yeluotuo1999@vip.163.com;yili_imau@163.com)

收稿日期: 2024-03-11

  修回日期: 2024-05-10

  网络出版日期: 2025-03-10

基金资助

内蒙古农业大学食品科学与工程学院科技计划项目(SPKJ202012);国家重点研发计划项目(2020YFE0203300);内蒙古自治区科技成果转化专项资金项目(2021CG0021)

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Comparative analysis of protein and lipid digestion properties in camel colostrum and mature milk based on simulated in vitro infant gastrointestinal digestion

  • WU Qiuju ,
  • HE Jing ,
  • MING Liang ,
  • YI Li ,
  • JI Rimutu
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  • 1(Key Laboratory of Dairy Biotechnology and Bioengineering, Ministry of Eduction, Inner Mongolia Agriculture University, Hohhot 010018, China)
    2(Inner Mongolia China-Kazakhstan Camel Research Institute, Alxa 737300, China)

Received date: 2024-03-11

  Revised date: 2024-05-10

  Online published: 2025-03-10

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摘要

该研究采用婴儿体外消化模型,对驼初乳与常乳中的蛋白质、脂质和微观结构的消化特征进行了比较分析,旨在揭示两者消化行为上的差异。结果表明,在胃消化30 min和肠消化30 min后,驼初乳和常乳的蛋白浓度急剧下降,水解度存在显著差异。驼初乳中含有对婴儿免疫系统有益的蛋白质,水解后释放更多必需氨基酸,有利于婴儿生长发育。两者脂质在胃消化后脂解程度差异不大,进入肠消化后迅速脂解,消化结束时存在显著差异。驼初乳脂解产物中甘油三酯、甘油二酯和单甘酯较多,而常乳产生更多游离脂肪酸,其中C16:0、C16:1和C14:0含量较高,对婴儿细胞结构和生长发育,以及神经系统和脑部发育至关重要。上述研究结果表明,驼初乳和常乳中的蛋白质和脂肪可以被婴儿很好地消化,产生的游离氨基酸和游离脂肪酸有利于婴儿的生长发育,为今后驼初乳和常乳基婴儿配方乳粉的开发提供了参考。

关键词： 体外消化; 驼初乳; 驼常乳; 蛋白质; 脂质

本文引用格式

吴秋菊 , 何静 , 明亮 , 伊丽 , 吉日木图 . 基于模拟婴儿胃肠消化的骆驼初乳和常乳中蛋白质和脂肪消化特性的比较分析[J]. 食品与发酵工业, 2025 , 51(4) : 154 -161 . DOI: 10.13995/j.cnki.11-1802/ts.039181

Abstract

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.

Key words： in vitro digestion model; camel colostrum; camel mature milk; proteolysis; lipolysis

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