Isolates	1	2	3	4	5
Colony morphology	Moderate growth, circular, raised, milky white colonies, transluscent, moist surface	Moderate growth, milky white, moist surface, raised, smooth, transluscent	Cream white, circular, slightly raised transluscent, smooth colonies, moist surface	Moderate growth, circular, raised, milky white colonies transluscent	Moderate growth, circular moist surface, raised transluscent, milky white coloration.
Gram stain	+	+	+	+	+
Cell arrangement	Oval cells in short chains	Short rods	Short rods	Short rods	Short rods
Catalase Oxidase Methyl red voges proskauer Indole Motility Citrate	− − − − −	− − − − −	− − − − −	− − − − −	− − − − −
4.5% NaCl 6.5% NaCl	+ −	+ +	+ +	+ −	+ −
15˚C 45˚C	+ −	+ −	− +	₊ ₋	+ −
Glucose Fructose Lactose Mannitol Sucrose Maltose Galactose	+ + + + + − +	+ + + − + + +	+ + + − + + +	+ + + − + + +	+ + + + + + +
Organism	Lactococcus lactis	Lactobacillus brevis	Lactobacillus fermentum	Lactobacillus casei	Lactobacillus palntarum