Plackett–Burman Combined with Box–Behnken to Optimize the Medium of Fermented Tremella Polysaccharide and Compare the Characteristics before and after Optimization

Table 7

Experimental design and results of Box–Behnken.

Trial run	Potato extract	Glucose	Peptone	Y (g/L)	U (g/L)
1	0	1	−1	11.83	86.88
2	1	−1	0	12.23	81.53
3	1	0	1	11.59	88.63
4	1	0	−1	12.14	82.75
5	0	0	0	12.20	79.28
6	−1	−1	0	11.86	83.88
7	0	0	0	12.44	77.30
8	0	0	0	12.36	76.90
9	−1	0	−1	11.57	89.29
10	−1	0	1	11.40	85.72
11	0	−1	−1	12.41	79.37
12	−1	1	0	10.68	87.38
13	1	1	0	12.00	84.20
14	0	1	1	11.40	82.77
15	0	0	0	12.42	76.74
16	0	0	0	12.35	77.98
17	0	−1	1	12.04	80.04