Figures & data
Figure 1 Experimental microwave-vacuum drying apparatus.
Figure 2 Volumetric shrinkage ratio vs. moisture content (wet basis) at different drying conditions.
Figure 3 Shrinkage ratio vs. moisture ratio: effect of drying method and microwave system pressure.
Table 1 Shrinkage ratio and apparent densities of button mushrooms at different moisture content.
Table 2 Correlation constants of the linear model representing the shrinkage of mushrooms at various drying conditions.
Figure 4 Shrinkage ratio vs. moisture ratio: effect of drying method and microwave power level.
Figure 5 Experimental and predicted volumetric shrinkage ratio of mushrooms as a function of moisture ratio.
Figure 6 Volumetric (Sv) and diametric (Sd) shrinkage of mushrooms at different moisture ratio.
Figure 7 Experimental and predicted values of bulk density as a function of moisture content.
