Table 5.
Kinetic evaluation of the aeration rate for the production of extracellular lipases by Rhizopus oligosporus IIB-63 and its mutant derivative in stirred fermenter*
| Aeration rate (vvm)/Kinetic Parameters | 0.2 | 0.4 | 0.6 | 0.8 | 1.0 | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| Wild | Mutant | Wild | Mutant | Wild | Mutant | Wild | Mutant | Wild | Mutant | |
| Qp(U/L.h) | 4575 | 7915 | 2170 | 10501 | 2908 | 5567 | 2091 | 34328 | 2281 | 7293 |
| Yp/s(U/g.S) | 900 | 1100 | 1200 | 2900 | 1500 | 4900 | 2100 | 5900 | 2800 | 4800 |
| Yp/x(U/g. cells) | 1800 | 2200 | 2400 | 5800 | 3000 | 9800 | 4200 | 11,800 | 5600 | 9600 |
Kinetic parameters
Qp g cells produced/L/h
Yp/s Unit product produced/g substrate consumed
Yp/x Unit product produced/g cells formed