Moisture Sorption Isotherms of Sesame Flour at Several Temperatures

Moisture equilibrium data (adsorption and desorption) of sesame flour were determined using the static gravimetric method of saturated salt solutions at three temperatures, 10, 25 and 40 °C. The range of water activities for each temperature was between 0.11 and 0.85. Equilibrium moisture content de...

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Main Authors: Albena G. Durakova, Nikolay D. Menkov
Format: Article
Language:English
Published: University of Zagreb Faculty of Food Technology and Biotechnology 2007-01-01
Series:Food Technology and Biotechnology
Subjects:
Online Access:http://hrcak.srce.hr/file/48177
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author Albena G. Durakova
Nikolay D. Menkov
author_facet Albena G. Durakova
Nikolay D. Menkov
author_sort Albena G. Durakova
collection DOAJ
description Moisture equilibrium data (adsorption and desorption) of sesame flour were determined using the static gravimetric method of saturated salt solutions at three temperatures, 10, 25 and 40 °C. The range of water activities for each temperature was between 0.11 and 0.85. Equilibrium moisture content decreased with the increase in storage temperature at any given water activity. The experimental data were fitted by five mathematical models (modified Oswin, modified Halsey, modified Chung-Pfost, modified Henderson and Guggenheim-Anderson-de Boer (GAB)). The GAB model was found to be the most suitable for describing the sorption data. The monolayer moisture content was estimated using the Brunauer-Emmett-Teller equation.
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spelling doaj.art-aa32635680794f36885c585e05fe1a6d2023-12-03T04:04:47ZengUniversity of Zagreb Faculty of Food Technology and BiotechnologyFood Technology and Biotechnology1330-98621334-26062007-01-0145196100Moisture Sorption Isotherms of Sesame Flour at Several TemperaturesAlbena G. Durakova0Nikolay D. Menkov1University of Food Technologies, Department of Process Engineering, 26 Maritza Blvd., BG-4000 Plovdiv, BulgariaUniversity of Food Technologies, Department of Process Engineering, 26 Maritza Blvd., BG-4000 Plovdiv, BulgariaMoisture equilibrium data (adsorption and desorption) of sesame flour were determined using the static gravimetric method of saturated salt solutions at three temperatures, 10, 25 and 40 °C. The range of water activities for each temperature was between 0.11 and 0.85. Equilibrium moisture content decreased with the increase in storage temperature at any given water activity. The experimental data were fitted by five mathematical models (modified Oswin, modified Halsey, modified Chung-Pfost, modified Henderson and Guggenheim-Anderson-de Boer (GAB)). The GAB model was found to be the most suitable for describing the sorption data. The monolayer moisture content was estimated using the Brunauer-Emmett-Teller equation.http://hrcak.srce.hr/file/48177sesame floursorption isothermmodelling
spellingShingle Albena G. Durakova
Nikolay D. Menkov
Moisture Sorption Isotherms of Sesame Flour at Several Temperatures
Food Technology and Biotechnology
sesame flour
sorption isotherm
modelling
title Moisture Sorption Isotherms of Sesame Flour at Several Temperatures
title_full Moisture Sorption Isotherms of Sesame Flour at Several Temperatures
title_fullStr Moisture Sorption Isotherms of Sesame Flour at Several Temperatures
title_full_unstemmed Moisture Sorption Isotherms of Sesame Flour at Several Temperatures
title_short Moisture Sorption Isotherms of Sesame Flour at Several Temperatures
title_sort moisture sorption isotherms of sesame flour at several temperatures
topic sesame flour
sorption isotherm
modelling
url http://hrcak.srce.hr/file/48177
work_keys_str_mv AT albenagdurakova moisturesorptionisothermsofsesameflouratseveraltemperatures
AT nikolaydmenkov moisturesorptionisothermsofsesameflouratseveraltemperatures