Research Article

Optimization of Microwave-Osmotic Pretreatment of Apples with Subsequent Air-Drying for Preparing High-Quality Dried Product

Figure 1

Response surface curves for total color difference ( ): (a) effect of sucrose concentration and temperature at contact time 3 min; (b) effect of sucrose concentration and contact time at temperature 30°C. The dashed square line is for air-dried sample ( ), and the solid square line is for the freeze-dried sample ( ).
687548.fig.001a
(a)
687548.fig.001b
(b)