Research Article

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

Table 5

ANOVA analysis for quadratic regression model of the yield and T-AO activity of crude EPS in BBD.

SourceYield of crude EPS (g/L)T-AOA (U/mg)
Sum of squaresdfMean square-Value valueSum of squaresdfMean square-Value value

Model18.60392.067364.998<0.00016.31290.70119.0410.0004
1.98711.987350.869<0.00010.16010.1604.3560.0753
0.08910.08915.7980.00540.16610.1664.4960.0717
1.97711.977349.111<0.00010.71010.71019.2870.0032
0.00010.0000.0230.88290.06810.0681.8420.2168
0.01010.0101.7310.22980.03110.0310.8410.3896
0.28910.28951.0150.00020.61810.61816.7720.0046
7.98217.9821409.456<0.00011.68011.68045.6180.0003
0.11910.11921.0090.00251.61211.61243.7600.0003
5.15815.158910.869<0.00010.80210.80221.7780.0023
Residual0.04070.0060.25870.037
Lack of fit0.02330.0081.9140.26880.06330.0210.4310.7422
Pure error0.01640.0040.19540.049
Cor total18.643166.57016

= 0.9979; Adj = 0.9951; Pred = 0.9786; Adeq Precision = 59.423 = 0.9608; Adj = 0.9103; Pred = 0.8002; Adeq Precision = 10.8855