3.3. Kinetics of material transfer
Combining the resulting values from different times for each
variable in every treatment and comparing the resulting average
values, it is possible to know if the kind of treatment could affect
the obtained results. Table 4 shows the results of Duncan’s multiple
range tests for treatments carried out for the evaluation of the
kinetics of material transfer during osmotic dehydration process of
papaya samples. The results were quality similar for both papaya
ripening degrees, observing the same differences between
treatments.
3.3.1. Effect of process time
The general behavior of material transfer shows (Figs. 1 and 2)
the predominance of water removal, as compared to soluble exchanges.
The kinetics of material transfer can be divided into three
phases: (i) a starting phase (0–2 h) during which exchange rates
grow until 2 h; (ii) an acceleration phase (2–5 h) during which
the material exchange reaches its maximum value; and (iii) a
decreasing phase where exchange values decrease