[EN] Power ultrasounds have been proposed and extensively investigated as an effective way to speed up the atmospheric freeze-drying process, thus making this dehydration process attractive from an industrial viewpoint. ...
Santacatalina Bonet, Juan Vicente; Fissore, D.; Cárcel Carrión, Juan Andrés; Mulet Pons, Antonio; García Pérez, José Vicente(Elsevier, 2015-04)
Atmospheric freeze drying consists of a convective drying process using air at a temperature below the
freezing point of the processed product, and with a very low relative humidity content. This paper focuses
on the use ...
[EN] A mathematical model that simulates atmospheric freeze-drying for apple slices was developed based on the classical mass and heat balance equations. When operated above the glass transition temperature, product shrinkage ...
[EN] The low operating temperatures employed in atmospheric freeze-drying permits an effective drying of heat sensitive products, without any impairment of their quality attributes. When using power ultrasound, the drying ...