Skip to main content

Table 1 Productivity of chitinase in liquid medium and solid-state medium of some isolate bacteria

From: Solid-state cultivation of Bacillus thuringiensis R 176 with shrimp shells and rice straw as a substrate for chitinase production

Isolates

Chitinase activity (U/g IDS)

Liquid medium

Solid-state medium

R 74

0.15 ± 0.15 f

ND

R 75

0.23 ± 0.25 f

ND

R 88

4.12 ± 0.10 a

ND

R 108

0.35 ± 0.05 e

ND

R 110

0.80 ± 0.15 d

1.25 ± 0.23 c

R 111

0.95 ± 0.23 c

1.18 ± 0.10 c

R 113

0.32 ± 0.05 e

0.65 ± 0.05 d

R 117

3.65 ± 0.35 b

0.60 ± 0.05 d

R 118

0.14 ± 0.05 f

ND

R 171

0.35 ± 0.05 e

ND

R 176

1.00 ± 0.15 c

1.36 ± 0.25 c

R 181

0.25 ± 0.05 f

ND

R 190

0.87 ± 0.15 d

0.35 ± 0.05 e

  1. The results are the mean of three replicates. Different letters indicate the difference between chitinase activity results (P ≥ 0.01)
  2. ND not detected
Back to article page

Annals of Microbiology

ISSN: 1869-2044

Contact us