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降胆固醇乳酸菌的筛选及其鉴定
引用本文:田建军,张开屏,张保军,靳烨. 降胆固醇乳酸菌的筛选及其鉴定[J]. 中国乳品工业, 2011, 39(9)
作者姓名:田建军  张开屏  张保军  靳烨
作者单位:1. 内蒙古农业大学食品科学与工程学院,呼和浩特,010018
2. 内蒙古商贸职业学院工程系,呼和浩特,010018
基金项目:国家“十一五”科技支撑项目(2006BAD04A06)
摘    要:对19株乳杆菌进行体外实验,研究它们在MRS-CHOL培养基中对胆固醇的降解量,进而分析各菌株降胆固醇的能力。结果表明,所有试验菌株均有降解培养物中胆固醇的能力,去除率在3.84%~42.28%之间。其中有2株试验菌对培养物中胆固醇的降解率大于40%,这2株菌对胆固醇的脱除效力也较高。这2株菌WE43-1-2和WE57-1经形态学、生理生化反应以及糖类发酵试验被鉴定为敏捷乳杆菌(Lactobacillus agilis)和干酪乳杆菌干酪亚种(Lactobacillus casei subsp casei)。

关 键 词:降胆固醇  乳酸菌  体外筛选  鉴定  

Screening and identification of cholesterol-reducing Lactic acid bacteria
TIAN Jian-jun,ZHANG Kai-ping,ZHANG Bao-jun,JIN-Ye. Screening and identification of cholesterol-reducing Lactic acid bacteria[J]. China Dairy Industry, 2011, 39(9)
Authors:TIAN Jian-jun  ZHANG Kai-ping  ZHANG Bao-jun  JIN-Ye
Affiliation:TIAN Jian-jun 1,ZHANG Kai-ping 2,ZHANG Bao-jun 1,JIN-Ye 1 (1.College of Food Science and Engineering,Inner Mongolia Agricultural University,Hohhot 010018,China,2.Engineering Department,Inner Mongolia Business Vocational College,Hohhot,010018,China)
Abstract:tuditudy on 19 Lactobacillus were studied in the experiments.The quantity of the Cholesterol-degrading in MRS-CHOL medi-um was used to analyze their cholesterol-reducing ability.The results showed that all strains could remove cholesterol from media,and the percentage of Cholesterol-degrading rate ranged from 3.84% to 42.28%.Among them,there were 2 strains exhibited the percentage of Cholesterol-degrading above 40%.Meanwhile,these 2 strains had high removal effectiveness.As a result,these 2 strains were scr...
Keywords:cholesterol-reducing  Lactic acid bacteria  screening  identification  
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