FOOD SCIENCE ›› 2006, Vol. 27 ›› Issue (10): 215-218.

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Isolation and Identification of Lactic Acid Bacteria Producing Bile Salt Hydrolase and Study on Mechnism of Recucing Colestrol

 WANG  Yu-Wen,   Liu-Hui,   Li-Ping-Lan,   Wang-Yan-Xiang,   Xiong-Li-Xia   

  1. 1.College of Food Science and Nutritional Engineering, China Agricultral University, Beijing 100083, China; 2.Department of Food Science and Engineering, Beijing Agricultural College, Beijing 102206, China
  • Online:2006-10-15 Published:2011-11-16

Abstract:  In this test, 15 strains were isolated from the filtrate of kefir grains which can reduce cholesterol level, identified by physiological and biochemistry reaction and other indexes, 7 were coccus sp., 8 were bacillus sp.. Only one of them can produce bile salt hydrolase, it was lactobillus casei identified by micro station full automaticity.

Key words:  , kefir; isolation and identification; bile salt hydrolase; cholesterol reducing;