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食品研究与开发:2017,38(17):17-21
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一株干酪乳杆菌生物学特性及其发酵豆乳的研究
陈佩1,2,党辉3,4,贺国旗1,王红丽1,孟科1,陈卫3
(1. 陕西广播电视大学,陕西 西安 710119;2. 陕西理工学院 生物科学与工程学院,陕西 汉中 723001;3. 江南大学 食品科学与技术国家重点实验室,江苏 无锡 214122;4. 陕西师范大学 食品工程与营养科学 学院,陕西 西安 710119)
Study on the Biological Characteristics of Lactobacillus casei and Application in the Fermented Soymilk Produce
CHEN Pei1,2, DANG Hui3,4, HE Guo-qi1, WANG Hong-li1, MENG Ke1, CHEN Wei3
(1.Shaanxi Radio & TV University, Xi'an 710119,Shaanxi,China; 2. School of Biological Science and Engineering,Shaanxi University of Technology, Hanzhong 723001,Shaanxi,China; 3.State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122,Jiangsu,China; 4. College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi'an 710119,Shaanxi,China)
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投稿时间:2016-09-21    
中文摘要: 主要研究一株具有降糖作用的干酪乳杆菌的生物学特性及其对发酵豆乳的品质影响。结果表明该菌株在强 酸条件下可以生长,对人工胃肠液都具有很好的耐受性。耐受胆盐的延迟时间为 1.01 h,对 Caco-2 细胞具有较强的 黏附能力 (15 个/cell)。以干酪乳杆菌发酵豆乳具有良好的品质,且感官评定综合得分为 90 分。
Abstract:The aim of the present study was to investigate the biological characteristics of a Lactobacillus casei strain with hypoglycemic activity and application in the fermented soymilk produce. The results showed that Lactobacillus casei could grow under strongly acidic conditions, and survive in the simulated gastro-intestinal juice. The bile tolerance of this strain in the form of lag time was 1.01 h. More importantly, it possessed strong adhesive properties to Caco-2 cells (15 bacteria per cell). The results revealed that Lactobacillus casei grew well in fermented soymilk with good sensory quality. The sensory evaluation score of fermented soymilk produce was 90 points.
文章编号:201717005     中图分类号:    文献标志码:A
基金项目:陕西省农业科技创新与攻关项目“益生乳酸菌胞外多糖制备及功能研究”(2015NY025);陕西广播电视大学重点课题“陕南泡菜中优质菌株的筛选及菌群关系研究”(15D-08-A02)
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