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Table 2 Microscopic, biochemical and physiological properties of Bacillus species isolated from fermenting African oil bean seed

From: Controlled fermentation and preservation of UGBA –an indigenous Nigerian fermented food

Bacterial strains

Xterization tests

Bs1

Bs2

Bs3

Bs4

Bs5

Bs6

Bs7

B11

B12

B13

B14

B15

Gram reaction

+

+

+

+

+

+

+

+

+

+

+

+

Catalase

+

+

+

+

+

+

+

+

+

+

+

+

Casein hydrolysis

+

+

+

+

+

+

+

+

+

+

+

+

Gelatin liquefaction

+

+

+

+

+

+

+

+

+

+

+

+

Starch hydrolysis

+

+

+

+

+

+

+

+

+

+

+

+

Methyl red

+

-

+

+

-

+

+

+

+

+

+

-

Voges-Proskaeuer

+

+

+

+

+

-

+

+

+

+

+

+

Citrate utilization

+

+

+

+

+

+

+

+

+

+

+

+

Oxidase

ND

ND

ND

ND

ND

ND

ND

ND

ND

ND

ND

ND

H 2 S production

+

+

+

+

+

+

+

+

+

+

+

+

Sugar fermentation

            

Fructose

A

A

A

A

A

A

A

A

A

A

A

A

Galactose

A

A

A

A

A

A

A

A

A

A

A

A

Glucose

A

A

A

A

A

A

A

AG

A

AG

AG

A

Lactose

A

A

A

A

A

A

A

A

A

A

A

A

Maltose

A

A

A

A

A

A

A

A

A

A

A

A

Mannitol

A

A

A

A

A

A

A

A

A

A

A

A

Sucrose

A

A

AG

A

A

A

A

AG

A

A

A

A

Xylose

ND

ND

ND

ND

ND

ND

ND

ND

ND

ND

ND

ND

  1. Key: + = positive, - = negative, A = acid production, AG = acid production with gas, ND = Not determined, Bs = Bacillus subtilis, Bl = Bacillus licheniformis.