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Table 1 Selected culture condition in Taguchi OA design and assigned levels for tannase production from Klebsiella pneumoniae using agro-residue as substrate

From: Improved production of tannase by Klebsiella pneumoniae using Indian gooseberry leaves under submerged fermentation using Taguchi approach

S. no.

Factor

Level 1 (−1)

Level 2 (+1)

1

pH

4

6

2

Temperature

30

40

3

Incubation time (hrs)

48

96

4

rpm

50

150

5

Inoculum level (%)

1

5

6

Tannin extract (%)

1

3

7

Glucose (%)

0

2

8

NH4Cl (%)

0.1

0.5

9

KH2PO4 (%)

0.1

0.3

10

K2HPO4 (%)

0.1

0.3

11

MgSO4 (%)

0.05

0.1