Gastrointestinal Tolerance of Dominant Lactic Acid Bacteria from Traditional Fermented Milk in Sayram,Baicheng County, Xinjiang, A Longevity Town of China

doi:10.15922/j.cnki.jdst.2015.03.004

Journal of Dairy Science and Technology ›› 2015, Vol. 38 ›› Issue (3): 14-16.DOI: 10.15922/j.cnki.jdst.2015.03.004

• Basic Research • Previous Articles Next Articles

Gastrointestinal Tolerance of Dominant Lactic Acid Bacteria from Traditional Fermented Milk in Sayram,Baicheng County, Xinjiang, A Longevity Town of China

Tuhangul · TOHTI, Nuriye · ABDUMILIK, ZHU Xiaoying, Nurgul · RAHMAN

(Xinjiang Key Laboratory of Special Species Conservation and Regulatory Biology, College of Life Science, Xinjiang Normal University, ürümqi 830054, China)

Online:2015-06-30 Published:2022-02-10

新疆拜城赛里木镇传统发酵酸乳中优势菌株的胃肠道耐受特性

吐汗古丽·托合提, 努日艳木·阿卜都米立克, 朱晓莹, 努尔古丽·热合曼

新疆师范大学生命科学学院,新疆特殊环境物种保护与调控生物学实验室,新疆乌鲁木齐 830054

基金资助:
国家自然科学基金地区科学基金项目(31160333)

Abstract

Abstract: In this study, we screened 9 potent probiotic strains with good acid and bile tolerance in vitro from the dominant lactic acid bacteria of traditional fermented milk in Sayram, Baicheng County, Xinjiang, which is known as a town of longevity in China. All 9 probiotic strains of lactic acid bacteria exhibited very strong tolerance to pH 2.0. The viable cell counts of strains S5-8 and S2-1L were more than 108 CFU/mL after exposure to simulated gastric fluid, with S5-8 growing vigorously. The viable cell counts of 7 other strains exceeded 107 CFU/mL, which were much higher than the critical value of 106 CFU/mL.

Key words: Sayram yoghurt; lactic acid bacteria; tolerance; probiotic properties

摘要： 通过体外耐酸、耐胆盐实验,从新疆拜城赛里木镇传统拉丝酸乳中的优势乳酸菌中筛选出耐受性和优良益生特性较强的乳酸菌菌株.结果表明:筛选出来的9株乳酸菌,在pH 2.0的条件下表现出-强的耐受能力,S5-8和S2-1L用人工胃液处理后的活菌数量在108 CFU/mL以上,其中S5-8有明显的增长趋势,其他7株菌株活菌数量在107CFU/mL以上,远远超过了106 CFU/mL以上的临界值,对9株强耐酸性乳酸菌进行耐胆盐实验.

关键词: 赛里木镇酸乳；乳酸菌；耐酸耐胆盐；益生特性

CLC Number:

TS201.3

Tuhangul · TOHTI, Nuriye · ABDUMILIK, ZHU Xiaoying, Nurgul · RAHMAN. Gastrointestinal Tolerance of Dominant Lactic Acid Bacteria from Traditional Fermented Milk in Sayram,Baicheng County, Xinjiang, A Longevity Town of China[J]. Journal of Dairy Science and Technology, 2015, 38(3): 14-16.

吐汗古丽·托合提, 努日艳木·阿卜都米立克, 朱晓莹, 努尔古丽·热合曼. 新疆拜城赛里木镇传统发酵酸乳中优势菌株的胃肠道耐受特性[J]. 乳业科学与技术, 2015, 38(3): 14-16.

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Gastrointestinal Tolerance of Dominant Lactic Acid Bacteria from Traditional Fermented Milk in Sayram,Baicheng County, Xinjiang, A Longevity Town of China

新疆拜城赛里木镇传统发酵酸乳中优势菌株的胃肠道耐受特性

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