Research Article
Microwave and Blanching Pretreatments for Hot Air Drying of Orange-Fleshed Sweet Potato Slices (Ipomoea batatas)
Table 2
Moisture diffusivity for microwave and blanch assisted air drying at 70°C and their
values.
| | Microwave-assisted | Blanch-assisted | | MP (W) | MT (min) | (m2/s) | | ST (mm) | BT (min) | (m2/s) | |
| | 385 | 2 | 1.5 | 0.973 | 3 | 1 | 2.6 | 0.988 | | 3 | 1.7 | 0.984 | | 2 | 3.6 | 0.958 | | 4 | 2.9 | 0.962 | | 3 | 3.8 | 0.992 |
| | 541 | 2 | 1.5 | 0.981 | 6 | 1 | 7.9 | 0.921 | | 3 | 2.3 | 0.991 | | 2 | 6.1 | 0.990 | | 4 | 3.9 | 0.972 | | 3 | 1.1 | 0.957 |
| | 697 | 2 | 4.4 | 0.913 | 9 | 1 | 1.4 | 0.995 | | 3 | 3.8 | 0.988 | | 2 | 1.7 | 0.997 | | 4 | 4.1 | 0.935 | | 3 | 2.1 | 0.997 |
|
|
