The drying kinetics and characteristics of Shrimp dried by conventional methods

The main purpose of this study was to research the influence of different drying methods on the physical and qualitative properties of dried shrimps. Shrimps were dried with conventional methods at 60, 70 and 80°C between 330 to 210 min and 190 to 110 min, in an oven and vacuum oven respectively. Dr...

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Main Authors: Ersan Ali Can, Tugrul Nurcan
Format: Article
Language:English
Published: Association of the Chemical Engineers of Serbia 2021-01-01
Series:Chemical Industry and Chemical Engineering Quarterly
Subjects:
Online Access:http://www.doiserbia.nb.rs/img/doi/1451-9372/2021/1451-93722000050E.pdf
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author Ersan Ali Can
Tugrul Nurcan
author_facet Ersan Ali Can
Tugrul Nurcan
author_sort Ersan Ali Can
collection DOAJ
description The main purpose of this study was to research the influence of different drying methods on the physical and qualitative properties of dried shrimps. Shrimps were dried with conventional methods at 60, 70 and 80°C between 330 to 210 min and 190 to 110 min, in an oven and vacuum oven respectively. Drying time was shortened with the use of a vacuum pump. The drying kinetics of the shrimp were studied, and effective moisture diffusion and activation energy were calculated for both methods. The Alibas model and the Midilli and Kucuk model provided the best experimental data with a high coefficient of determination (R2) for the oven and vacuum oven techniques, respectively. The final dried products were characterized by investigating the color characteristics, heavy metal content and by carrying out protein analyses. The rehydration ratio was also determined for the dehydrated shrimps. Drying conditions affected the color features so that shrimps dried in ovens and vacuum ovens showed an increase in brightness and yellowness values and a decrease in redness values. The concentration of As, Pb, Cd, Hg, Cu, Zn and Fe in the dried shrimp were within acceptable limits. The protein content of dried shrimp (∼85%) is higher than that of undried shrimp (∼20%).
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spelling doaj.art-6007cb9d68bd4da2b1df4b21767b9dc12022-12-21T23:43:16ZengAssociation of the Chemical Engineers of SerbiaChemical Industry and Chemical Engineering Quarterly1451-93722217-74342021-01-0127431932810.2298/CICEQ201114050E1451-93722000050EThe drying kinetics and characteristics of Shrimp dried by conventional methodsErsan Ali Can0Tugrul Nurcan1Yildiz Technical University, Faculty of Chemical and Metallurgical Engineering, Department of Chemical Engineering, Istanbul, Turkey + Istanbul Esenyurt University, Vocational High School, Department of Occupational Health and Safety, Istanbul, TurkeyYildiz Technical University, Faculty of Chemical and Metallurgical Engineering, Department of Chemical Engineering, Istanbul, TurkeyThe main purpose of this study was to research the influence of different drying methods on the physical and qualitative properties of dried shrimps. Shrimps were dried with conventional methods at 60, 70 and 80°C between 330 to 210 min and 190 to 110 min, in an oven and vacuum oven respectively. Drying time was shortened with the use of a vacuum pump. The drying kinetics of the shrimp were studied, and effective moisture diffusion and activation energy were calculated for both methods. The Alibas model and the Midilli and Kucuk model provided the best experimental data with a high coefficient of determination (R2) for the oven and vacuum oven techniques, respectively. The final dried products were characterized by investigating the color characteristics, heavy metal content and by carrying out protein analyses. The rehydration ratio was also determined for the dehydrated shrimps. Drying conditions affected the color features so that shrimps dried in ovens and vacuum ovens showed an increase in brightness and yellowness values and a decrease in redness values. The concentration of As, Pb, Cd, Hg, Cu, Zn and Fe in the dried shrimp were within acceptable limits. The protein content of dried shrimp (∼85%) is higher than that of undried shrimp (∼20%).http://www.doiserbia.nb.rs/img/doi/1451-9372/2021/1451-93722000050E.pdfshrimpdrying kineticsrehydrationprotein contentcolour analysisheavy metal
spellingShingle Ersan Ali Can
Tugrul Nurcan
The drying kinetics and characteristics of Shrimp dried by conventional methods
Chemical Industry and Chemical Engineering Quarterly
shrimp
drying kinetics
rehydration
protein content
colour analysis
heavy metal
title The drying kinetics and characteristics of Shrimp dried by conventional methods
title_full The drying kinetics and characteristics of Shrimp dried by conventional methods
title_fullStr The drying kinetics and characteristics of Shrimp dried by conventional methods
title_full_unstemmed The drying kinetics and characteristics of Shrimp dried by conventional methods
title_short The drying kinetics and characteristics of Shrimp dried by conventional methods
title_sort drying kinetics and characteristics of shrimp dried by conventional methods
topic shrimp
drying kinetics
rehydration
protein content
colour analysis
heavy metal
url http://www.doiserbia.nb.rs/img/doi/1451-9372/2021/1451-93722000050E.pdf
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