Research Article
Optimized Biotransformation of Icariin into Icariside II by β-Glucosidase from Trichoderma viride Using Central Composite Design Method
Table 2
Experimental design with real value and predicted value of conversion rate of ICA.
| Run | (pH) | (temperature, °C) | (concentration of substrate, mg/mL) | (conversion rate of ICA, %) | Experimental | Predicted |
| 1 | 4.0 | 30 | 0.30 | 89.26 | 88.14 | 2 | 5.0 | 40 | 0.65 | 93.90 | 93.23 | 3 | 5.0 | 40 | 0.65 | 92.99 | 93.23 | 4 | 5.0 | 40 | 1.24 | 95.32 | 93.92 | 5 | 3.3 | 40 | 0.65 | 88.40 | 91.15 | 6 | 6.0 | 30 | 1.00 | 75.38 | 77.75 | 7 | 6.0 | 50 | 0.30 | 83.67 | 80.79 | 8 | 4.0 | 50 | 0.30 | 96.15 | 92.78 | 9 | 4.0 | 30 | 1.00 | 89.71 | 91.59 | 10 | 5.0 | 57 | 0.65 | 75.44 | 80.28 | 11 | 4.0 | 50 | 1.00 | 96.67 | 93.85 | 12 | 5.0 | 40 | 0.65 | 92.43 | 93.23 | 13 | 6.7 | 40 | 0.65 | 70.76 | 69.43 | 14 | 5.0 | 40 | 0.65 | 93.04 | 93.23 | 15 | 6.0 | 30 | 0.30 | 81.84 | 83.66 | 16 | 6.0 | 50 | 1.00 | 72.37 | 72.49 | 17 | 5.0 | 23 | 0.65 | 84.21 | 80.79 | 18 | 5.0 | 40 | 0.06 | 95.18 | 98.00 | 19 | 5.0 | 40 | 0.65 | 94.07 | 93.23 | 20 | 5.0 | 40 | 0.65 | 93.17 | 93.23 |
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