Table 2.
Identification by carbohydrate fermentation profile.
Carbohydrate | L. rhamnosusa | MCRF-271 & MCRF-412b | L. caseia | MCRF-284b |
Amygdaline | Positive | Positive | Positive | Positive |
D-arabinose | C | Weak | - | - |
Cellobiose | Positive | Positive | Positive | Positive |
Esculine | Positive | - | Positive | - |
D-fructose | Positive | Positive | Positive | Positive |
Galactose | Positive | Positive | Positive | Positive |
D-glucose | Positive | Positive | Positive | Positive |
Gluconate | Positive | Weak | Positive | Weak |
Lactose | Positive | Positive | C | Positive |
Maltose | Positive | - | Positive | Positive |
Mannitol | Positive | Positive | Positive | Positive |
D-mannose | Positive | Positive | Positive | Positive |
Melezitose | Positive | Positive | Positive | Positive |
Melibiose | - | - | - | - |
D-raffinose | - | - | - | - |
Rhamnose | Positive | Positive | - | - |
Ribose | Positive | Positive | Positive | Positive |
Salicine | Positive | Positive | Positive | Positive |
Sorbitol | Positive | Positive | Positive | Positive |
Trehalose | Positive | Positive | Positive | Positive |
D-xylose | - | - | - | - |
L-xylose | - | - | - | - |
Identification | L. rhamnosus | L. casei |
a Symbols for indicated reference organism profile from Bergey's Manual19: positive, 90% or more strains positive for fermentation of the indicated carbohydrate; -, 90% or more strains negative; C, 11–89% strains positive.
b Symbols for MCRF isolate results using the API 50 CH source strips: positive, positive for fermentation of indicated carbohydrate; weak, limited for fermentation; -, no detectable fermentation.