| 提高酸乳中c9,t11- 共轭亚油酸含量的研究 |
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| 引用本文： | 李素波,靳小攀,郑玉梅,高红伟,檀英霞,郁成雨,陈炳卿,王璇琳.提高酸乳中c9,t11- 共轭亚油酸含量的研究[J].食品科学,2009,30(23):326-330. |
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| 作者姓名： | 李素波 靳小攀 郑玉梅 高红伟 檀英霞 郁成雨 陈炳卿 王璇琳 |
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| 作者单位： | 1.军事医学科学院野战输血研究所 2.国家人口计划生育委员会科学技术研究所，中国计划生育学杂志社 3.哈尔滨医科大学公共卫生学院 |
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| 摘 要： | 本研究利用乳酸菌发酵法，添加合适的底物，在形成酸乳的同时提高乳中c9,t11- 共轭亚油酸，c9,t11-CLA的含量，筛选菌株的最佳配比条件，研究影响CLA 含量的因素，发现奶中影响酶促反应和菌株生长的营养成分均可以影响乳酸菌发酵中CLA 的产生。应用气相色谱检测出乳酸菌培养液中CLA 的其它异构体。
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| 关 键 词： | c9 t11-共轭亚油酸 乳酸菌发酵法 |
| 收稿时间： | 2008-12-26 |
Production of c9, t11-Conjugated Linoleic Acid in Yogurt |
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| LI Su-bo,JIN Xiao-pan,ZHENG Yu-mei,GAO Hong-wei,CHAN Ying-xia,YU Cheng-yu,CHEN Bing-qing,WANG Xuan-lin.Production of c9, t11-Conjugated Linoleic Acid in Yogurt[J].Food Science,2009,30(23):326-330. |
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| Authors: | LI Su-bo JIN Xiao-pan ZHENG Yu-mei GAO Hong-wei CHAN Ying-xia YU Cheng-yu CHEN Bing-qing WANG Xuan-lin |
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| Affiliation: | 1. Beijing Institute of Transfusion Medicine, Academy of Military Medical Sciences, Beijing 100850, China；
2. National Research Institute for Family Planning, Chinese Journal of Family Planning, Beijing 100081, China；
3. College of Public Health, Harbin Medical University, Harbin 150086, China |
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| Abstract: | The research wsa aimed to increase the yield of conjugated-linoleic acid (CLA) in yogurt. The fermentation conditions for production of CLA were optimized and the factors including substrates and the mixing proportion of the Lactobacillus straims were investigated. The results showed that the nutriton composition significantly affected the enzumecatalyzed reaction and the lactobacillus growth as well as the CLA yield. Additionally, other CLA isomers besides c9, t11- CLA were identified by improved GC in the culture medium. The method provided novel insights in developing the milk products abundant in CLA. |
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| Keywords: | c9 t11-conjugated linoleic acid (CLA) fermentation of Lactobacillus |
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