Table 1 Illustrating higher and lower values of factors used in PBD.

From: Valorization of wood waste for enhanced polyhydroxybutyrate production by Klebsiella sp. MK3

Sr. no.

Factors

Low level

Higher level

1.

Carbon

1%

4%

2.

Nitrogen

0.01%

0.2%

3.

Ferric citrate

0.001%

0.01%

4.

Temperature

28

40

5.

pH

5

9

6.

Inoculum size

2

10

7.

MgSO4.7H2O

0.01

0.1

8.

Na2HPO4

0.1

0.4

9.

K2HPO4

0.1

0.4

10.

Incubation period

48

96

11.

Trace elements

0.1

1