食品科学 ›› 2006, Vol. 27 ›› Issue (3): 60-64.

• 基础研究 • 上一篇    下一篇

传统乳制品中乳酸菌的分离及性能研究

 国立东, 王欣, 杜鹏, 赵蕊, 霍贵成   

  1. 东北农业大学乳品科学教育部重点实验室
  • 出版日期:2006-03-15 发布日期:2011-09-06

Study on Characteristics of Lactic Acid Bacteria Isolated from Traditional Indigenous Dairy Products

 GUO  Li-Dong, WANG  Xin, DU  Peng, ZHAO  Rui, HUO  Gui-Cheng   

  1. Key Laboratory of Dairy Science, Ministry of Education, Northeast Agricultural University,Harbin 150030, China
  • Online:2006-03-15 Published:2011-09-06

摘要: 从内蒙古地区采集的16个传统发酵乳制品中共分离到27株乳酸菌,其中干酪乳杆菌假植物亚种4株,干酪乳杆菌1株,戊糖乳杆菌1株,阿拉伯糖乳杆菌1株,粪肠球菌1株,屎肠球菌2株,乳酸乳球菌乳酸亚种12株,格氏乳球菌2株,野生链球菌3株。分离菌株发酵10%(W/V)脱脂乳的滴定酸度平均为52.3°T,乳杆菌中IML15-1滴定酸度和黏度分别为101.8°T和1307.5mPa·s;乳酸球菌中IMS8-2的黏度达到1567.5mPa·s。

关键词: 乳酸菌, 分离, 鉴定, 发酵性能

Abstract: In this study, 27 strains of lactic acid bacteria were isolated and identified from 16 samples of traditional indigenousdairy products collected from Inner Mongolia, including 4 strains of Lactobacillus casei subsp. Pseudoplantarum, 1 strain ofLactobacillus casei, 1 strain of Lactobacillus pentosus, 1 strain of Lactobacillus arabinosus, 1 strain of Enterococcus faecalis, 2strains of Enterococcus faeclum, 12 strains of Lactococcus lactic. subsp. Lactic, 2 strains of Lactococcus garvieae and 3 strainsof Streptococcus ferus. Each strain was used to ferment 10%(W/V) skim milk. The average acidity is 52.3°T. The specitic acidityof IML15-1 of the Lactobacillus is 101.8°T and its viscidity 1307.5mPa·s. And the viscidity of IMS8-2 of the Lactococcireaches 1567.5mPa·s.

Key words: lactic acid bacteria, isolation, identification, fermentation characteristic