Table 1.
Drying Method | Final Moisture Content (kg water/ kg dw) |
Water Activity aw |
---|---|---|
FD | 0.0575 ± 0.001 | 0.2836 ± 0.000 b |
CD (40 °C) | 0.0372 ± 0.000 | 0.2258 ± 0.010 c |
CD (50 °C) | 0.0336 ± 0.001 | 0.1558 ± 0.004 f |
CD (60 °C) | 0.0289 ± 0.001 | 0.1291 ± 0.004 g |
VMD (6 W/g) | 0.0372 ± 0.003 | 0.1905 ± 0.002 d |
VMD (9 W/g) | 0.0347 ± 0.002 | 0.1697 ± 0.005 e,f |
VMD (12 W/g) | 0.0423 ± 0.002 | 0.2200 ± 0.003 c |
CPD-VMFD | 0.0343 ± 0.002 | 0.1726 ± 0.004 e |
FD—freeze drying; CD—convective drying, VMD—vacuum microwave drying, CPD—convective pre-drying, VMFD—vacuum microwave finish drying. Values with the same letter in the same column are not significantly different (p < 0.05), according to Tukey’s test.