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牦牛肾脂氧化初期脂肪酸动态变化研究
引用本文:王强,张盛贵,张玉斌,张海容,袁君,刘婷,吴建平.牦牛肾脂氧化初期脂肪酸动态变化研究[J].食品工业科技,2010(1).
作者姓名:王强  张盛贵  张玉斌  张海容  袁君  刘婷  吴建平
作者单位:1. 重庆教育学院生命科学与化学系,重庆,400067;甘肃农业大学食品科学与工程学院,甘肃兰州,730070
2. 甘肃农业大学食品科学与工程学院,甘肃兰州,730070
3. 德州学院农学系,山东德州,253023
4. 甘肃农业大学动物科学技术学院,甘肃兰州,730070
基金项目:兰州市科技局攻关项目(05-1-34)资助
摘    要:以牦牛肾周脂为研究对象,研究了其在15±1℃下储藏期脂肪酸的动态变化。结果表明:牦牛肾脂肪氧化初期发生于储藏期第0~25d(15±1℃),在此期间,饱和脂肪酸(SFA)含量由49.68%提高至55.96%,多不饱和脂肪酸(PUFA)含量和单不饱和脂肪酸(MUFA)分别由10.73%和37.85%下降至6.95%和28.22%。第0~20d,n-6/n-3PUFA的比率低于4,但在第25d达到4.46,并且MUFA/SFA较PUFA/SFA下降幅度高11.24%。此外,除共轭亚油酸(CLA)和油酸(LA)外,功能性脂肪酸(ARA,EPA,DHA)在10d后下降显著(p<0.05)。

关 键 词:牦牛肾脂肪  脂肪酸  PV  TBARS  氧化初期  变化  

Study on variation of yak(Bos grunniens)kidney fatty acid during initial stages of autoxidation
WANG Qiang,ZHANG Sheng-gui,ZHANG Yu-bin,ZHANG Hai-rong,YUAN Jun,LIU Ting,WU Jian-ping.Study on variation of yak(Bos grunniens)kidney fatty acid during initial stages of autoxidation[J].Science and Technology of Food Industry,2010(1).
Authors:WANG Qiang  ZHANG Sheng-gui  ZHANG Yu-bin  ZHANG Hai-rong  YUAN Jun  LIU Ting  WU Jian-ping
Affiliation:WANG Qiang1,2,ZHANG Sheng-gui2,ZHANG Yu-bin2,ZHANG Hai-rong3,YUAN Jun2,LIU Ting2,WU Jian-ping4,(1.Department of Life Science , Chemistry,Chongqing Education College,Chongqing 400067,China,2.College of Food Science , Engineering,Gansu Agricultural University,Lanzhou 730070,3.Department of Agronomy,Dezhou University,Dezhou 253023,4.College of Animal Science , Technology,China)
Abstract:The purpose of the present study was to assess the changes of fatty acid in yak kidney during the initial stages of the storage.The results indicated that the initial stage of autoxidation occurred during the first 25d storage.By use of gas chromatography,the stability profile of the identified fatty acids was also analyzed and the result demonstrated that saturated fatty acids(SFA)increases from 49.68% to 55.96%,while polyunsaturated fatty acids(PUFA)and monounsaturated fatty acids(MUFA)decreased from 10.7...
Keywords:yak kidney  fatty acid  PV  TBARS  intial oxidation  change  
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