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Biotechnology
Year: 2014  |  Volume: 13  |  Issue: 6  |  Page No.: 282 - 288

Characterization and Potential Probiotic Attributes of Lactobacillus plantarum DU10 Isolated from Algerian Raw Camel Milk

Zergui Amina, Saidi Noureddine, Arul Venkatesan, Venkatesh Perumal, Bessaiah Hichem, Zergui Asma, Merzouk Yamina, Heddadji Miloud and Kihal Mebrouk    

Abstract: Lactic acid bacteria have long been considered safe and suitable for human consumption when administered in adequate amounts. The aim of this study is to investigate the probiotic properties of Lactobacillus plantarum DU10 isolated from Algerian raw camel milk. The analysis of haemolytic and gelatinase activity, bile tolerance, cholesterol lowering capacity, acid resistance, exopolysaccharide and biomolecule production were established. The results revealed normal growth of Lactobacillus plantarum in the presence of bile salt concentrations, gastric and intestinal fluid. This strain was able to reduce cholesterol and the majority of cells were viable at pH 2.0 even after 24 h of incubation and can produce exopolysaccharides and antimicrobial compounds. No gelatinase and haemolytic activity was detected. Natural resistance to some antibiotics was observed. According to these results, this probiotic strain could be proposed as adjunct culture and exploited for food manufacture as a biocontrol agent.

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