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Table 1. Kinetic
constants of growth and protease production during cultivation of Chryseobacterium
sp. kr6 in feather keratin broth. |
|
T (ºC) /initial pH |
||||||
| Parameter |
25 / 6.0 |
30 / 6.0 |
37 / 6.0 |
30 / 5.0 |
30 / 7.0 |
30 / 8.0 |
| μmax (h-1) |
0.020 |
0.037 |
0.016 |
0.033 |
0.032 |
0.033 |
| td (h) |
34.6 |
18.7 |
43.3 |
21.0 |
21.7 |
21.0 |
| Xmax (g l-1)a |
0.36 |
0.35 |
0.29 |
0.38 |
0.39 |
0.41 |
| Amax(U ml-1)a |
60 |
88 |
42 |
57 |
86 |
82 |
| YP/X (U mg-1) |
167 |
231 |
145 |
150 |
221 |
191 |
| qp ( U mg-1 h-1) |
6.94 |
10.5 |
6.03 |
6.25 |
9.18 |
8.33 |
a Values are the means of three determinations. |
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