摘要
肽是分子结构介于氨基酸和蛋白质之间的一类化合物,含2或3个氨基酸残基的为小肽。小肽可能存在3种转运系统。反刍动物吸收肽的主要部位是瓣胃。小肽本身的理化性质、动物生理状态、日粮蛋白和采食水平等影响小肽的吸收。小肽可避免氨基酸间的吸收竞争,促进氨基酸的吸收,加速蛋白质的合成,促进肠道黏膜结构和功能发育,刺激消化酶的分泌和活性的提高,改善提高生产性能。对小肽的吸收机制及营养功能进行了综述。
Peptides are a class of compounds which molecular structure between amino acids and proteins. Small peptides contain 2 or 3 ami- no acid residues. Small peptides may have three transport systems. Ruminant animals＇ main peptide absorption place is omasum. Small pep- tides＇ physical and chemical properties, the animal physiological status, diet, protein and food intake level could influence the absorption of small peptides. Small peptides can avoid the absorption competition among amino acids, promote the absorption of amino acids, accelerate protein synthesis, promote gastrointestinal mucous membrane structure and functional development, stimulate secretion of digestive enzymes and activity of improve, improve the production performance. The adsorption mechanism and nutrition function of small peptides were re- viewed.
出处
《安徽农业科学》
CAS
2013年第1期146-148,165,共4页
Journal of Anhui Agricultural Sciences
关键词
小肽
吸收机制
营养功能
Small peptides
Absorption mechanism
Nutrition function
