Color kinetics of high transparency green plum juice concentrate during storage

In order to lay a theoretical basis for optimizing the storage temperature and predicting the storage time of high transparency green plum juice concentrate, the relationships among storage temperature, storage time and absorbency of high transparency green plum juice concentrate were studied. And the kinetics model of color changes was established. Results show that the change of absorbency of high transparency green plum juice concentrate is assumed to have an Arrhenius-type, and follows a zero-order reaction in storage. The rate constant(K₀) is 1.13×10⁷ and activation energy(Ea) is 59.89 kJ/mol. The coefficient between theoretical value and experimental value is 0.999, which indicates that this kinetics model of color is logical and effective.