Table 4.
Activation energy and thermodynamic parameter values of thermal inactivation of lipase from B. cepacia (Lipase PS) and R. miehei (Palatase).
| Lipase | Ea (kJ mol−1) |
Temperature (°C) |
ΔH# (kJ mol−1) |
ΔG# (kJ mol−1) |
ΔS# (J mol−1 K−1) |
ΔS#/ΔH# |
|---|---|---|---|---|---|---|
| Lipase PS | 34.80 | 40 | 32.20 | 98.57 | −212.07 | −2.06 |
| 50 | 32.11 | 100.81 | −212.69 | −2.14 | ||
| 60 | 32.03 | 102.96 | −213.00 | −2.21 | ||
| 70 | 31.95 | 104.94 | −212.80 | −2.28 | ||
| Palatase a | 23.28 | 40 | 20.68 | 85.97 | −208.59 | −3.16 |
| 50 | 20.60 | 87.91 | −208.39 | −3.27 | ||
| 60 | 20.51 | 90.43 | −209.96 | −3.41 | ||
| 70 | 20.43 | 92.08 | −208.90 | −3.51 |
a Apparent parameters.