Selection of Lactobacillus plantarum strains for their use as starter cultures in Algerian olive fermentations


  • Abdelouahab Mokhbi Département des Sciences Agronomiques, Université de Mostaganem-Algérie
  • Meriem Kaid-Harche Laboratoire de Biologie Appliquée, Université d’ORAN-USTO
  • Karima Lamri Département de Biotechnologie, Faculté des Sciences, Université d’Es-Senia
  • Meriem Rezki Département de Biotechnologie, Faculté des Sciences, Université d’Es-Senia
  • Mourad Kacem Département de Biotechnologie, Faculté des Sciences, Université d’Es-Senia



Antibiotics, Fermented olives, Lactobacillus plantarum, Starter cultures


The aim of this research was to evaluate some technological traits of L. plantarum strains previously isolated from fermented olives. For this purpose, 11 strains were tested for their in vitro antibiotic susceptibility, resistance to low pH values, acidifying activity, proteolytic activity, haemolytic activity, lactic acid and exopolysaccharide production and resistance to freeze-drying .Collectively, the strains were susceptible to most of the antibiotics tested and showed survival at pH 2. Most strains showed high (1.035 ± 0.29 to 0.912 ± 0.21 mmol/l ± sd of lactic acid) or medium (0.556 ± 0.29 to 0.692 ± 0.18 mmol/l±sd) acidification activity with good proteolytic activity (1.49 ± 0.25 to 5.25 ± 0.11 mg L–1 tyrosine). None of the strains produced exopolysaccharides or haemolysis in sheep’s blood.


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How to Cite

Mokhbi A, Kaid-Harche M, Lamri K, Rezki M, Kacem M. Selection of Lactobacillus plantarum strains for their use as starter cultures in Algerian olive fermentations. grasasaceites [Internet]. 2009Mar.30 [cited 2022Dec.7];60(1):82-8. Available from:




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