Lactic acid bacteria (rods)
Lactobacillus casei, L. plantarum, L. fermentum, L. acidophilus, L. bulgaricus and L. helveticus
Morphology: Rods
Gram: Positive
Catalase: Negative
Motility: Non-motile
Respiratory system: Facultative aerobe
Tests to identify the genus Lactobacillus
Motility: Non-motile
Respiratory system: Facultative aerobe
Tests to identify the genus Lactobacillus
- CO2 production from glucose
- Culture at 15° C and 45° C - MRS medium
- Arginine dihydrolase - Moeller medium
- Sugar fermentation : ribose, lacotse, maltose, sorbitol or sucrose
Test to identify the species
- Esculin hydrolysis - Esculin agar
- Acidification and reduction
Please, feel free to comment if there is any mistake.
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