Characterization of lactic acid bacteria isolated from Algerian arid zone raw goats milk

Diversity and density of lactic acid bacteria isolated from Algerian raw goats' milk in arid zones were studied by determination of morphological, cultural, physiological and biochemical characteristics. 206 lactic acid bacterial strains were isolated, with 115 of them belonging to lactic acid...

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Bibliographic Details
Published in:African journal of biotechnology 2004-06, Vol.3 (6), p.339-342
Main Authors: Bettache, Guessas, Mebrouk, Kihal
Format: Article
Language:English
Subjects:
Lactobacillus
Lactococcus
Lactococcus lactis
Leuconostoc
Streptococcus thermophilus
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Summary:Diversity and density of lactic acid bacteria isolated from Algerian raw goats' milk in arid zones were studied by determination of morphological, cultural, physiological and biochemical characteristics. 206 lactic acid bacterial strains were isolated, with 115 of them belonging to lactic acid cocci and others to the genus, Lactobacillus. The representative species of the total cocci were Lactococcus sp. (76.16%), Streptococcus thermophilus (14.78%) and Leuconostoc sp. (8.6%). The dominating species is Lactococcus lactis subsp. Lactis. Lactobacilli species found in local raw goats' milk and their proportion were: Lb. curvatus (25.25%), Lb. helviticus (10.98%), Lb. plantarum (9.89%), Lb. reuteri (9.89%), Lb. casei (7.69%), Lb. brevis (5.49%), Lb. bulgaricus (5.49%) Lb. paracasei (4.39%) and Lb. acidophilus (2.19%).
ISSN:1684-5315
1684-5315
DOI:10.5897/AJB2004.000-2062