Research Article

ARTP Mutagenesis to Improve Mycelial Polysaccharide Production of Grifola frondosa Using a Mixture of Wheat Bran and Rice Bran as Substrate

Table 1

Uniform design of U11(113) parameters and results for GFA2 fermentation optimization. Each data point is the mean of three replicate samples.

RunsFactorsBiomass Y1 (g/L)Mycelial polysaccharides Y2 (g/L)
1x12x23x3

12.272722.2521.61 ± 0.573.38 ± 0.17
29.9090.25218.33 ± 0.442.39 ± 0.13
31.18180.50.518.38 ± 1.162.42 ± 0.09
46.63631.252.520.76 ± 0.352.15 ± 0.12
55.54540117.15 ± 1.381.72 ± 0.20
68.81811019.40 ± 1.111.98 ± 0.06
70.09091.51.2517.71 ± 2.122.44 ± 0.13
8111.750.7522.76 ± 1.183.15 ± 0.15
93.36360.751.7521.10 ± 1.422.25 ± 0.22
107.72722.51.518.58 ± 0.741.80 ± 0.13
114.45452.250.2519.27 ± 0.912.09 ± 0.06

1x1: the ratio of rice bran to wheat bran (total amount of rice and wheat brans was 120 g/L). 2x2: the concentration of KH2PO4. 3x3: the concentration of MgSO4·7H2O.