Drying characteristics of sardine fish dried with microwave heating

Fresh fish contains up to 80% of water. It is a highly perishable material and having a short storage life. Therefore, the study of the drying kinetics of fish is necessary. In this study, the effect of microwave drying on drying rate, effective diffusivity, and energy consumption of sardine fish wa...

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Main Authors: Hosain Darvishi, Mohsen Azadbakht, Abbas Rezaeiasl, Asie Farhang
Format: Article
Language:English
Published: Elsevier 2013-06-01
Series:Journal of the Saudi Society of Agricultural Sciences
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S1658077X12000343
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author Hosain Darvishi
Mohsen Azadbakht
Abbas Rezaeiasl
Asie Farhang
author_facet Hosain Darvishi
Mohsen Azadbakht
Abbas Rezaeiasl
Asie Farhang
author_sort Hosain Darvishi
collection DOAJ
description Fresh fish contains up to 80% of water. It is a highly perishable material and having a short storage life. Therefore, the study of the drying kinetics of fish is necessary. In this study, the effect of microwave drying on drying rate, effective diffusivity, and energy consumption of sardine fish was examined at four different microwave powers (200, 300, 400 and 500 W). It was found that the moisture content was reduced from 2.76 to 0.01 (dry basis) and drying time of the samples was significantly reduced from 9.5 to 4.25 min as the power input increased. Five thin layer drying models were fitted to drying data. The Midilli model was selected as the best according to R2, χ2 and RMSE. The drying of fish samples took place in the falling rate period and was governed by moisture diffusion. The effective diffusivity varied from 7.158 × 10−8 to 3.408 × 10−7 m2/s over the microwave power range. No significant differences were observed between the specific energy consumption of microwave-dried sardine fish (α = 0.05). However, minimum specific energy consumption (3.78 MJ/kg water) was obtained at 500 W microwave levels.
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spelling doaj.art-83621ac2becf4775b39dccbefca0907f2022-12-22T01:17:29ZengElsevierJournal of the Saudi Society of Agricultural Sciences1658-077X2013-06-0112212112710.1016/j.jssas.2012.09.002Drying characteristics of sardine fish dried with microwave heatingHosain Darvishi0Mohsen Azadbakht1Abbas Rezaeiasl2Asie Farhang3Department of Engineering, Shahr-e Ray Branch, Islamic Azad University, Tehran, IranDepartment of Agricultural Machinery Mechanics, Agricultural Sciences & Natural Resources University of Gorgan, Gorgan, IranDepartment of Agricultural Machinery Mechanics, Agricultural Sciences & Natural Resources University of Gorgan, Gorgan, IranDepartment of Veterinary Medicine, Tehran University, Tehran, IranFresh fish contains up to 80% of water. It is a highly perishable material and having a short storage life. Therefore, the study of the drying kinetics of fish is necessary. In this study, the effect of microwave drying on drying rate, effective diffusivity, and energy consumption of sardine fish was examined at four different microwave powers (200, 300, 400 and 500 W). It was found that the moisture content was reduced from 2.76 to 0.01 (dry basis) and drying time of the samples was significantly reduced from 9.5 to 4.25 min as the power input increased. Five thin layer drying models were fitted to drying data. The Midilli model was selected as the best according to R2, χ2 and RMSE. The drying of fish samples took place in the falling rate period and was governed by moisture diffusion. The effective diffusivity varied from 7.158 × 10−8 to 3.408 × 10−7 m2/s over the microwave power range. No significant differences were observed between the specific energy consumption of microwave-dried sardine fish (α = 0.05). However, minimum specific energy consumption (3.78 MJ/kg water) was obtained at 500 W microwave levels.http://www.sciencedirect.com/science/article/pii/S1658077X12000343Sardine fishMicrowaveDrying kineticModellingEnergy consumption
spellingShingle Hosain Darvishi
Mohsen Azadbakht
Abbas Rezaeiasl
Asie Farhang
Drying characteristics of sardine fish dried with microwave heating
Journal of the Saudi Society of Agricultural Sciences
Sardine fish
Microwave
Drying kinetic
Modelling
Energy consumption
title Drying characteristics of sardine fish dried with microwave heating
title_full Drying characteristics of sardine fish dried with microwave heating
title_fullStr Drying characteristics of sardine fish dried with microwave heating
title_full_unstemmed Drying characteristics of sardine fish dried with microwave heating
title_short Drying characteristics of sardine fish dried with microwave heating
title_sort drying characteristics of sardine fish dried with microwave heating
topic Sardine fish
Microwave
Drying kinetic
Modelling
Energy consumption
url http://www.sciencedirect.com/science/article/pii/S1658077X12000343
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AT mohsenazadbakht dryingcharacteristicsofsardinefishdriedwithmicrowaveheating
AT abbasrezaeiasl dryingcharacteristicsofsardinefishdriedwithmicrowaveheating
AT asiefarhang dryingcharacteristicsofsardinefishdriedwithmicrowaveheating