Microwave field can provide thermal energy for drying
to speed up the vacuum drying process, and this is called
microwave vacuum drying (MVD). MVD has been found
to be a potential method in obtaining high quality dried
food products, including heat sensitive fruits and vegetables
(Zhang et al., 2006; Clary et al., 2007; Giri and Prasad,
2007). Comparison of four drying methods including MVD
for re-structured mixed potato with apple chips were studied
(Huang et al., 2011). The results show that the energy
efficiency for MVD was the highest and the cost for MVD
was the lowest. The property of re-structured materials is
different with that of samples directly cut from original materials,
for example, dielectric property. Re-structured materials
have greater uniform dielectric loss factor (ε), which benefits
the drying process under microwave field. So studies on restructured
mixed materials dried by MVD process is of great
value.
Microwave field can provide thermal energy for drying
to speed up the vacuum drying process, and this is called
microwave vacuum drying (MVD). MVD has been found
to be a potential method in obtaining high quality dried
food products, including heat sensitive fruits and vegetables
(Zhang et al., 2006; Clary et al., 2007; Giri and Prasad,
2007). Comparison of four drying methods including MVD
for re-structured mixed potato with apple chips were studied
(Huang et al., 2011). The results show that the energy
efficiency for MVD was the highest and the cost for MVD
was the lowest. The property of re-structured materials is
different with that of samples directly cut from original materials,
for example, dielectric property. Re-structured materials
have greater uniform dielectric loss factor (ε), which benefits
the drying process under microwave field. So studies on restructured
mixed materials dried by MVD process is of great
value.
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