Tailoring nutritional and process variables for hyperproduction of catalase from a novel isolated bacterium Geobacillus sp. BSS-7

Table 4 Comparison of intracellular catalase production from Geobacillus sp. BSS-7 with other microorganisms

Microbial source	Production media (g/l)*	Process parameters					Catalase production	Reference
Microbial source	Production media (g/l)*	pH	Temp. (°C)	Time (h)	Inoculum size	Agitation (rpm)/stationary	Catalase production	Reference
Geobacillus sp. BSS-7	Suc (5.5), YE (10.0), BaCl₂ (0.8)	7.0	60	12	5 %, (v/v)	150	105000 ± 2563 IU/mg	Present study
Rhizobium radiobacter Strain 2-1	Pep (10), YE (5), NaCl (10), H₂O₂ (0.5)	(–)	30	20	(–)	130	30420 ± 1083 IU/mg	[8]
Serratia marcescens SYBC08	CSTL (33.8), citric acid (30)	7.0	30	40	4 % (v/v)	400	20289 IU/ml	[28]
Exiguobacterium oxidotolerans T-2-2^T	Pep (8.0), YE (3.0), Sodium succinate (5.0), Aminolevulinic acid (2.0 mM), Tween 60 (1.0)	7.5	27	24	(–)	60	16000 IU/ml	[9]
Psychrobacter piscatorii	Pep (8), YE (3), NaCl (5), H₂O₂ (10 mM)	(–)	27	(–)	(–)	(–)	12000 IU/mg	[33]
Bacillus halodurans LBK 261	Glu (3), YE (5), Pep (5), KH₂PO₄ (1), NaCl (1.5), NaNO₃ (10), CaCl_2·2H₂O (1.7), FeSO_4·7H₂O (1.3), MnCl_2·4H₂O (15.1), ZnSO_4·7H₂O (0.25), H₃BO₃ (2.5),CuSO_4·5H₂O (0.12), Na₂MoO_4·2H₂O (0.12), Co(NO₃)_2·6H₂O (0.23), H₂SO₄ (2.5 ml)	10	55	(–)	(–)	200	275 IU/g	[13]

Glu glucose; Pep peptone; YE yeast extract; CSTL corn steep liquor powder; Suc sucrose; (–) Data not available

ISSN: 1475-2859