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Simulation of the process kinetics and analysis of physicochemical properties in the freeze drying of kale

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Figure

Table 1. Equations applied to drying curves
Fig. 2. Total phenolics content (TPC) and antioxidant acti-vity (AA) of kale before and after freeze-drying; C – fresh leaves,WL – whole dried leaves, and PL – pulped dried leaves; values designated by the different letters are statistically significantly dif-ferent (α = 0.05).
Table 3. Coefficient values in the models describing the freeze drying of whole (WL) and pulped (PL) kale leaves – Page model
Table 4. Colour parameters of fresh and dried kale at different drying temperatures

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