Table 4. Avrami exponent (n), rate constant (k) and time contant (1/k) of bread added with pregelatinzed rice flours
Treatments | Moisture contents of dough (%) | Rice cultivars | Avrami exponent (n)1) | Rate constant (k)2) | Time constant (1/k) |
Raw | 42 | ‘Hiami’ | 0.8363 | 9.4×10−3 | 106.38 |
‘Hopyeng’ | 1.2202 | 13.5×10−3 | 74.07 |
‘Hyunpum’ | 0.6924 | 11.4×10−3 | 87.72 |
Pregelatinized | 42 | ‘Hiami’ | 0.9412 | 9.0×10−3 | 111.11 |
‘Hopyeng’ | 0.7174 | 10.5×10−3 | 95.24 |
‘Hyunpum’ | 0.8230 | 8.9×10−3 | 112.36 |
44 | ‘Hiami’ | 1.5814 | 6.8×10−3 | 147.06 |
‘Hopyeng’ | 1.0336 | 10.0×10−3 | 100.00 |
‘Hyunpum’ | 2.2922 | 6.0×10−3 | 166.67 |
Values obtained from slop of plot log {−ln(EL − Et) / (EL − EO)} vs log t.
Values obtained from slop of plot ln(EL - Et) vs time.