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KMID : 1007520230320101303
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Food Science and Biotechnology
2023 Volume.32 No. 10 p.1303 ~ p.1335
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Application of novel pretreatment technologies for intensification of drying performance and quality attributes of food commodities: a review
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Santanu Malakar
Vinkel Kumar Arora
Mohona Munshi
Dhiraj Kumar Yadav
K. R. Jolvis Pou
Makoto Sato
Ram Chandra
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Abstract
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Drying is an energy-intensive process that can be reduced by the application of pretreatment prior to drying to enhance mass transfer and minimize energy consumption. This review summarizes the mechanistic aspects and applications of emerging pretreatment approaches, namely ohmic heating (OH), ultrasound (US), high pressure processing (HPP), and pulsed electric field (PEF), with emphasis on the enhancement of mass transfer and quality attributes of foods. Novel pretreatments significantly improved the drying efficiency by increasing mass transfer, cavitation, and microchannel formation within the cell structure. Various processing parameters have great influence on the drying performance and quality attributes of foods. Several studies have shown that novel pretreatments (individual and combined) can significantly save energy while improving the overall drying performance and retaining the quality attributes. This work would be useful for understanding the mechanisms of novel pretreatment technologies and their applications for future commercial research and development activities.
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KEYWORD
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Drying, Drying performance, Novel pretreatment, HPP, PEF, Ultrasound, Ohmic heating
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