Perspective of Micro Process Engineering for Thermal Food Treatment

Micro process engineering as a process synthesis and intensification tool enables an ultra-short thermal treatment of foods within milliseconds (ms) using very high surface-area-to-volume ratios. The innovative application of ultra-short pasteurization and sterilization at high temperatures, but wit...

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Main Author: Alexander Mathys
Format: Article
Language:English
Published: Frontiers Media S.A. 2018-04-01
Series:Frontiers in Nutrition
Subjects:
Online Access:http://journal.frontiersin.org/article/10.3389/fnut.2018.00024/full
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author Alexander Mathys
author_facet Alexander Mathys
author_sort Alexander Mathys
collection DOAJ
description Micro process engineering as a process synthesis and intensification tool enables an ultra-short thermal treatment of foods within milliseconds (ms) using very high surface-area-to-volume ratios. The innovative application of ultra-short pasteurization and sterilization at high temperatures, but with holding times within the range of ms would allow the preservation of liquid foods with higher qualities, thereby avoiding many unwanted reactions with different temperature–time characteristics. Process challenges, such as fouling, clogging, and potential temperature gradients during such conditions need to be assessed on a case by case basis and optimized accordingly. Owing to the modularity, flexibility, and continuous operation of micro process engineering, thermal processes from the lab to the pilot and industrial scales can be more effectively upscaled. A case study on thermal inactivation demonstrated the feasibility of transferring lab results to the pilot scale. It was shown that micro process engineering applications in thermal food treatment may be relevant to both research and industrial operations. Scaling of micro structured devices is made possible through the use of numbering-up approaches; however, reduced investment costs and a hygienic design must be assured.
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spelling doaj.art-44ee92169461446b8fbc34eeaf1a99a22022-12-22T01:16:16ZengFrontiers Media S.A.Frontiers in Nutrition2296-861X2018-04-01510.3389/fnut.2018.00024344977Perspective of Micro Process Engineering for Thermal Food TreatmentAlexander MathysMicro process engineering as a process synthesis and intensification tool enables an ultra-short thermal treatment of foods within milliseconds (ms) using very high surface-area-to-volume ratios. The innovative application of ultra-short pasteurization and sterilization at high temperatures, but with holding times within the range of ms would allow the preservation of liquid foods with higher qualities, thereby avoiding many unwanted reactions with different temperature–time characteristics. Process challenges, such as fouling, clogging, and potential temperature gradients during such conditions need to be assessed on a case by case basis and optimized accordingly. Owing to the modularity, flexibility, and continuous operation of micro process engineering, thermal processes from the lab to the pilot and industrial scales can be more effectively upscaled. A case study on thermal inactivation demonstrated the feasibility of transferring lab results to the pilot scale. It was shown that micro process engineering applications in thermal food treatment may be relevant to both research and industrial operations. Scaling of micro structured devices is made possible through the use of numbering-up approaches; however, reduced investment costs and a hygienic design must be assured.http://journal.frontiersin.org/article/10.3389/fnut.2018.00024/fullmicro process engineeringthermal processingfood processingpreservationthermal inactivationrapid heating
spellingShingle Alexander Mathys
Perspective of Micro Process Engineering for Thermal Food Treatment
Frontiers in Nutrition
micro process engineering
thermal processing
food processing
preservation
thermal inactivation
rapid heating
title Perspective of Micro Process Engineering for Thermal Food Treatment
title_full Perspective of Micro Process Engineering for Thermal Food Treatment
title_fullStr Perspective of Micro Process Engineering for Thermal Food Treatment
title_full_unstemmed Perspective of Micro Process Engineering for Thermal Food Treatment
title_short Perspective of Micro Process Engineering for Thermal Food Treatment
title_sort perspective of micro process engineering for thermal food treatment
topic micro process engineering
thermal processing
food processing
preservation
thermal inactivation
rapid heating
url http://journal.frontiersin.org/article/10.3389/fnut.2018.00024/full
work_keys_str_mv AT alexandermathys perspectiveofmicroprocessengineeringforthermalfoodtreatment