[1]侯院林,张富新,李龙柱,等.羊乳中类胰岛素生长因子 Ｉ 的变化规律[J].江苏农业学报,2016,(04):843-847.[doi:10.3969/j.issn.100-4440.2016.04.020]
　HOU Yuan-lin,ZHANG Fu-xin,LI Long-zhu,et al.Variations of insulin-like growth factor I (IGF-I) in goat milk[J].,2016,(04):843-847.[doi:10.3969/j.issn.100-4440.2016.04.020]
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羊乳中类胰岛素生长因子 Ｉ 的变化规律()
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江苏农业学报[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2016年04期
页码:
843-847
栏目:
畜牧兽医·水产养殖
出版日期:
2016-10-31

文章信息/Info

Title:
Variations of insulin-like growth factor I (IGF-I) in goat milk
作者:
侯院林; 张富新; 李龙柱; 于玲玲; 云丹; 雷飞燕
陕西师范大学食品工程与营养科学学院，陕西 西安 710119
Author(s):
HOU Yuan-lin; ZHANG Fu-xin; LI Long-zhu; YU Ling-ling; YUN Dan; LEI Fei-yan
College of Food Engineering and Nutrition Science, Shaanxi Normal University, Xi′an 710119, China
关键词:
羊乳; 类胰岛素生长因子I; 变化规律
Keywords:
goat milk;  insulin-like growth factor-I;  variation
分类号:
TS252.1
DOI:
10.3969/j.issn.100-4440.2016.04.020
文献标志码:
A
摘要:
为研究羊乳中类胰岛素生长因子I（IGF-I）的浓度变化，并采集富含IGF-I的羊乳原料，采用双抗体夹心酶联免疫法测定羊乳中IGF-I的浓度。在供试的4种奶山羊（萨能羊、努比羊、垚山羊和关中羊）中，关中奶山羊乳中IGF-I的浓度最高，并且所有山羊乳品中IGF-I的浓度都显著高于牛乳中的IGF-I浓度（P<0.05）。奶山羊初乳的IGF-I浓度变化较大，泌乳第1 d的羊乳中IGF-I浓度最高，随泌乳时间的延长，其浓度显著下降（P<0.05）。常乳中IGF-I浓度比较稳定，但浓度值较低。山羊日泌乳量越小，羊乳中IGF-I浓度越大。经产奶山羊乳比初产奶山羊乳具有更高的IGF-I浓度，其中，第4胎的山羊乳中IGF-I浓度最高（P<0.05）。挤奶间隔时间24 h的山羊乳比间隔12 h的山羊乳具有更高的IGF-I浓度。
Abstract:
Variations of insulin-like growth factor-I (IGF-I) in goat milk were studied for the collection of goat milk rich in IGF-I by double antibody sandwich enzyme-linked immunosorbent assay. The concentration of IGF-I in Guanzhong goat milk was the highest, and IGF-I concentrations in four goat breeds were higher than that in cow milk（P<0.05）. IGF-I concentrations decreased significantly during colostrum, and stayed steady at low concentrations in its late lactation. The concentrations of IGF-I decreased with increased daily milk yield, and were higher in multiparous goat’s milk than that in its primiparous goat’s milk. The fourth parity had the highest IGF-I concentrations. The concentrations of IGF-I in the milk of goat milked twice a day were markedly lower than that milked once a day.

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备注/Memo

备注/Memo:
收稿日期：2015-11-05基金项目：“十二五”农村领域国家科技计划项目(2013BAD18B00);农业部公益性行业(农业)科研专项(201103038);陕西省农业攻关项目（2014K01-17-05）.作者简介：侯院林（199-），男，陕西咸阳人，硕士研究生，研究方向：食品科学。(E-mail)891685945@qq.com通讯作者：张富新,(E-mail)fuxinzh@snnu.edu.cn
更新日期/Last Update: 2016-11-01