Table 3.
Pepsin | |||||
Ratio Sub-Enzyme |
First-Order Qt = Qe(1 − exp( − k1t)) * |
Second-Order t/Qt = 1/(k2Qe2) + t/Qe * |
|||
k1 (1/min) | R2 | k2 (L/(g·min)) | h (g/(L·min)) | R2 | |
0.5% | 0.030 | 0.999 | 0.00488 | 4.168 | 0.992 |
0.8% | 0.039 | 0.995 | 0.00484 | 6.943 | 0.996 |
1% | 0.036 | 0.995 | 0.00483 | 10.840 | 0.999 |
1.2% | 0.035 | 0.996 | 0.00487 | 9.226 | 0.998 |
1.5% | 0.021 | 0.996 | 0.00486 | 9.163 | 0.998 |
Chitosanase | |||||
Enzyme Concentration |
First-Order
Qt = Qe(1 − exp( − k1t)) * |
Second-Order
t/Qt = 1/(k2Qe2) + t/Qe * |
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k1 (1/min) | R2 | k2 (L/(g·min)) | H (g/(L·min)) | R2 | |
1 U | 0.022 | 0.964 | 0.0028 | 7.841 | 0.961 |
3 U | 0.042 | 0.994 | 0.00247 | 9.157 | 0.966 |
5 U | 0.042 | 0.972 | 0.00508 | 11.282 | 0.999 |
7 U | 0.028 | 0.992 | 0.00913 | 6.585 | 0.989 |
10 U | 0.022 | 0.964 | 0.00695 | 4.560 | 0.994 |
α-Amylase | |||||
Ratio Sub-Enzyme |
First-Order
Qt = Qe(1 − exp( − k1t)) * |
Second-Order
t/Qt = 1/(k2Qe2) + t/Qe * |
|||
k1 (1/min) | R2 | k2(L/(g·min)) | h (g/(L·min)) | R2 | |
40 U/g | 0.014 | 0.97851 | 0.00188 | 6.218 | 0.968 |
60 U/g | 0.021 | 0.98822 | 0.00137 | 8.078 | 0.976 |
80 U/g | 0.026 | 0.96801 | 0.00209 | 9.532 | 0.990 |
100 U/g | 0.026 | 0.96857 | 0.00614 | 4.812 | 0.980 |
120 U/g | 0.015 | 0.97291 | 0.00826 | 3.400 | 0.972 |
* Qt and Qe are the SRS concentration at t and equilibrium, respectively; k1 and k2 are the rate constants of thefirst-order and second-order models, respectively.