Kinetics of Atmospheric Freeze-drying of Apple |
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| Authors: | Jan Stawczyk Sheng Li Dorota Witrowa-Rajchert Anna Fabisiak |
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| Institution: | (1) Department of Heat and Mass Transfer Processes, Faculty of Process and Environmental Engineering, Technical University of Lodz, Lodz, Poland;(2) Department of Food Engineering and Process Management, Warsaw Agricultural University, 02-776 Warsaw, Poland |
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| Abstract: | We present investigations of the effect of Atmospheric Freeze-Drying kinetics on the quality (dehydration rate, shrinkage,
color, and antioxidant properties) of apple cubes. The experimental data are compared with the result of convective and vacuum
freeze-drying processes, and suitable operating parameters are determined. The experiments were carried out in an Internet
controlled, fully automated heat-pump assisted drying system. |
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| Keywords: | Kinetics Atmospheric freeze-drying Heat-pump Quality |
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