Test name

Results

Gram stain

Formation of Levan

+

The fluorescent pigment on King’s medium B (under ultraviolet light)

Oxidative/Fermentation (O/F) test

O+/F+

Catalase

+

Test Kovach on oxidase

Nitrate reduction

Utilization of citrate

+

Growth at 39˚C

Colliquation of gelatine

+

Urease

Indole

The reduction of sucrose derivatives

+