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牛初乳及过渡乳中类胰岛素生长因子-I含量测定及其变化 被引量：6

Varieties of insulin like growth factor-Ⅰcontent in bovine colostrum and transition milk
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摘要 牛初乳及过渡乳中类胰岛素生长因子-I(IGF-I)含量随产后泌乳的进行急剧下降,泌乳前5d,初乳中的IGF-I以游离形态为主,游离IGF-I比例由71.1%下降到50.64%;之后过渡中的IGF-I主要以结合形态为主,结合态IGF-I的比例由51.41%上升到60.1%。从初乳到过渡乳中IGF-I存在形态的变化具有重要的生物学意义。 Concentrations of free and bound IGF Ⅰ were measured in bovine colostrumsand transition milk from the first milkings to 14 day postpartum..Rapid decrease of IGF Ⅰ was found during this period. The state of IGF Ⅰ at 1～ 5 d colostrums is mainly in the free form,the percentage of free IGF Ⅰ varied from 71.1% to 50.64% .After that, bound form of IGF Ⅰ dominated in transition milk,changed from 51.41% to 60.1% .The biological significance of change of IGF Ⅰ forms from colostroum to transition milk was discussed.
作者 云振宇 张和平
机构地区 内蒙古农业大学食品科学与工程学院
出处 《中国乳品工业》 CAS 北大核心 2004年第4期6-9,共4页 China Dairy Industry
关键词 牛初乳 过渡乳 类胰岛素生长因子-I 测定 形态变化 生物学 insulin like growth factor I bovine colostrums transition milk
分类号 TS252.1 [轻工技术与工程—农产品加工及贮藏工程]
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参考文献17

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共引文献163

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引证文献6

二级引证文献17

中国乳品工业
2004年 第4期

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