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Table 5 The chitinase activities in the culture supernatants of strain TC-1 under different combinations of three factors at different levels

From: Characterization of a novel chitinolytic Serratia marcescens strain TC-1 with broad insecticidal spectrum

Serial number

A (g l−1)

B (h)

C (°C)

Y (U ml−1)

1

9.70

64.00

26.00

16.43

2

8.95

64.00

28.00

20.72

3

8.95

58.00

30.00

16.13

4

9.70

70.00

28.00

15.70

5

8.95

64.00

28.00

20.88

6

8.95

70.00

30.00

15.97

7

8.20

58.00

28.00

14.87

8

8.95

58.00

26.00

15.21

9

9.70

64.00

30.00

17.06

10

8.20

64.00

30.00

15.28

11

9.70

58.00

28.00

16.79

12

8.95

64.00

28.00

21.06

13

8.95

70.00

26.00

15.59

14

8.95

64.00

28.00

20.97

15

8.95

64.00

28.00

20.88

16

8.20

70.00

28.00

14.80

17

8.20

64.00

26.00

15.21

  1. The three factors “A”, “B” and “C” represent chitin concentration, incubation time and incubation temperature, respectively. “Y” represents chitinase activity