C (°Brix) (s-1) k (s-1) µα0/µα∝ R2 15 20 1.992 × 10-2 1.221 0.992   30 4.690 × 10-2 1.116 0.938   60 9.713 × 10-2 0.944 0.950   100 14.203 × 10-2 0.802 0.946 30 20 4.325 × 10-2 1.312 0.998   30 9.985 × 10-2 1.205 0.988   60 12.658 × 10-2 0.852 0.967   100 16.135 × 10-2 0.762 0.974

Table 4: The parameters of second-order structural kinetic model for kiwifruit juice samples.