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Azadnia, P., Khan Nazer, A. H.. (1388). Identification of lactic acid bacteria isolated from traditional drinking yoghurt in tribes of Fars province. , 10(3), 235-240. doi: 10.22099/ijvr.2009.1698
P. Azadnia; A. H. Khan Nazer. "Identification of lactic acid bacteria isolated from traditional drinking yoghurt in tribes of Fars province". , 10, 3, 1388, 235-240. doi: 10.22099/ijvr.2009.1698
Azadnia, P., Khan Nazer, A. H.. (1388). 'Identification of lactic acid bacteria isolated from traditional drinking yoghurt in tribes of Fars province', , 10(3), pp. 235-240. doi: 10.22099/ijvr.2009.1698
Azadnia, P., Khan Nazer, A. H.. Identification of lactic acid bacteria isolated from traditional drinking yoghurt in tribes of Fars province. , 1388; 10(3): 235-240. doi: 10.22099/ijvr.2009.1698

Identification of lactic acid bacteria isolated from traditional drinking yoghurt in tribes of Fars province

Iranian Journal of Veterinary Research
مقاله 5، دوره 10، شماره 3 - شماره پیاپی 28، 2009، صفحه 235-240    اصل مقاله (35.22 K)
نوع مقاله: Full paper (Original article)
شناسه دیجیتال (DOI): 10.22099/ijvr.2009.1698
نویسندگان
P. Azadnia* 1؛ A. H. Khan Nazer2
1Ph.D. Student in Food Hygiene and Public Health, Department of Food Hygiene and Public Health, School of Veterinary Medicine, Shiraz University, Shiraz, Iran
2Department of Food Hygiene and Public Health, School of Veterinary Medicine, Shiraz University, Shiraz, Iran
چکیده
Morphological, cultural, physiological and biochemical characteristics were employed to identify lactic acid bacteria (LAB), isolated from drinking yoghurt in different areas in Fars province, Iran. From 18 drinking yoghurt samples a total of 673 LAB positives were determined, in which 117 (17.38%) and 556 (82.62%) were identified as lactic acid cocci and lactic acid bacilli, respectively. Additionally, our biochemical tests showed the occurence of 52 (44.44%) Lactococcus lactis subsp. cremoris and 65 (55.56%) Leuconostoc mesenteroides subsp. cremoris among lactic acid cocci, and in the case of lactic acid bacilli, Lactobacillus helveticus 85 (15.3%); Lactobacillus plantarum 124 (22.3%); Lactobacillus brevis 117 (21%); Lactobacillus casei subsp. casei 86 (15.5%) and Lactobacillus delbrueckii subsp. bulgaricus 144 (25.9%).Among lactic acid cocci and bacilli, Leuconostoc mesenteroides subsp. cremoris and Lactobacillus delbrueckii subsp. bulgaricus were found to be the more dominant species, respectively. The current study constitutes the first step in the designing process of LAB starter cultures, in order to protect the typical organoleptic characteristics of traditional drinking yoghurt. However, in the future we can consider genetical characterization and selection of the most desirable strains which can assess their potential as starter cultures for commercial use.
کلیدواژه‌ها
Lactic acid bacteria؛ Lactobacillus؛ Lactococcus؛ Leuconostoc؛ Drinking yoghurt
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