Optimization of Cultural Conditions for Antioxidant Exopolysaccharides from Xerocomus badius Grown in Shrimp Byproduct

Table 3

Box-Behnken designs of different factors with their responses.

Trials	Experimental factors			Yields of EPS (g/L)	T-AO activity (U/mg)
	1	0 (10.5)	1 (5.4)			1 (1.36)	2.547 ± 0.077	1.296 ± 0.326
2	1 (11.5)	−1 (3.8)	0 (1.16)	1.909 ± 0.108	2.068 ± 0.083
3	0 (10.5)	0 (4.6)	0 (1.16)	4.412 ± 0.173	3.072 ± 0.860
4	0 (10.5)	−1 (3.8)	1 (1.36)	4.088 ± 0.156	2.633 ± 0.122
5	0 (10.5)	0 (4.6)	0 (1.16)	4.522 ± 0.151	2.929 ± 0.096
6	0 (10.5)	−1 (3.8)	−1 (0.96)	3.366 ± 0.231	1.674 ± 0.078
7	−1 (9.5)	0 (4.6)	1 (1.36)	3.515 ± 0.095	2.092 ± 0.113
8	0 (10.5)	0 (4.6)	0 (1.16)	4.483 ± 0.07	3.184 ± 0.105
9	1 (11.5)	0 (4.6)	1 (1.36)	2.634 ± 0.229	1.676 ± 0.098
10	1 (11.5)	0 (4.6)	−1 (0.96)	2.384 ± 0.072	1.534 ± 0.128
11	1 (11.5)	1 (5.4)	0 (1.16)	1.023 ± 0.094	1.251 ± 0.086
12	0 (10.5)	0 (4.6)	0 (1.16)	4.588 ± 0.186	2.879 ± 0.104
13	0 (10.5)	0 (4.6)	0 (1.16)	4.496 ± 0.108	2.602 ± 0.094
14	−1 (9.5)	1 (5.4)	0 (1.16)	2.025 ± 0.104	1.838 ± 0.083
15	−1 (9.5)	0 (4.6)	−1 (0.96)	3.288 ± 0.144	1.429 ± 0.114
16	0 (10.5)	1 (5.4)	−1 (0.96)	2.900 ± 0.117	1.909 ± 0.077
17	−1 (9.5)	−1 (3.8)	0 (1.16)	3.109 ± 0.139	2.303 ± 0.080