were fitted to Arrhenius equation Eq. (3) at 60, 70 and 80 C (Fig. 2). The calculated activation
energy Ea was 46.32 kJ/mol (Table 3). Wang and Xu (2007) reported
that at 60–90 C, the activation energy for degradation of
anthocyanins for blackberry juice (8.9 Brix) was 58.95 kJ/mol