Skip to main content

Table 2 Central composite rotatable experimental design matrix with experimental values of DLA produced by L. coryniformis subsp. torquens

From: Low-cost effective culture medium optimization for d-lactic acid production by Lactobacillus coryniformis subsp. torquens under oxygen-deprived condition

Run

A

B

C

D

DLA (g/l)

1

− 1.00

− 1.00

− 1.00

− 1.00

8.42 ± 0.08

2

− 1.00

− 1.00

1.00

1.00

10.45 ± 0.06

3

1.00

− 1.00

− 1.00

1.00

9.62 ± 0.07

4

0.00

− 2.00

0.00

0.00

8.69 ± 0.01

5

− 2.00

0.00

0.00

0.00

9.26 ± 0.06

6

0.00

2.00

0.00

0.00

12.29 ± 0.06

7

0.00

0.00

0.00

0.00

9.84 ± 0.121

8

1.00

1.00

1.00

− 1.00

10.92 ± 0.03

9

0.00

0.00

0.00

0.00

10.59 ± 0.05

10

0.00

0.00

− 2.00

0.00

11.30 ± 0.08

11

− 1.00

1.00

1.00

− 1.00

10.12 ± 0.07

12

0.00

0.00

2.00

0.00

10.85 ± 0.09

13

0.00

0.00

0.00

0.00

10.99 ± 0.03

14

2.00

0.00

0.00

0.00

11.42 ± 0.07

15

1.00

− 1.00

− 1.00

− 1.00

9.27 ± 0.09

16

0.00

0.00

0.00

0.00

10.82 ± 0.06

17

− 1.00

1.00

− 1.00

1.00

11.92 ± 0.07

18

− 1.00

1.00

1.00

1.00

10.56 ± 0.04

19

1.00

− 1.00

1.00

− 1.00

9.16 ± 0.03

20

0.00

0.00

0.00

2.00

10.90 ± 0.08

21

1.00

1.00

− 1.00

1.00

11.92 ± 0.07

22

0.00

0.00

0.00

− 2.00

8.67 ± 0.04

23

− 1.00

− 1.00

− 1.00

1.00

10.35 ± 0.03

24

0.00

0.00

0.00

0.00

10.88 ± 0.06

25

1.00

1.00

− 1.00

− 1.00

11.19 ± 0.04

26

1.00

− 1.00

1.00

1.00

11.42 ± 0.04

27

− 1.00

− 1.00

1.00

− 1.00

7.06 ± 0.06

28

0.00

0.00

0.00

0.00

10.28 ± 0.05

29

− 1.00

1.00

− 1.00

− 1.00

10.34 ± 0.03

30

1.00

1.00

1.00

1.00

12.17 ± 0.07