Table 7. Avrami exponent (n), rate constant (k) and time constant (1/k) of sponge cake with freeze dried Peucedanum japonicum powder

Properties Peucedanm japonicum powder (%)
0 6 12 18 24
Avrami exponent (n)1) 2.0327 0.5958 0.5475 0.8405 3.3856
Rate constant (k)2) 7.8×10-3 3.1×10-3 2.7×10-3 1.1×10-3 10.2×10-3
Time constant (1/k) 128.21 322.58 370.37 909.09 98.04
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.