Model comparisons of equilibrium moisture content of prunes in the temperature range of 15 - 30 °C

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F62156489%3A43210%2F99%3A22700003" target="_blank" >RIV/62156489:43210/99:22700003 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Model comparisons of equilibrium moisture content of prunes in the temperature range of 15 - 30 °C
Original language description
Moisture equilibrium data for adsorption and desorption of water from prunes (Prunus domestica L.) were investigated at temperatures in the range of 1 S - 45°C and water activity ranging from 0.4 to 0.99. The experimental procedure used was a gravimetricdynamic method with continuous registration of sample weight changes. Sorption capacity decreases as temperature increases. The differences between equilibrium moisture contents at a constant water activity were small in the temperature range measured.Rehydration of the dried material results in hysteresis. Four models available in the literature (Chung-Pfost, Halsey, Henderson, and Oswin) were evaluated to determine the best fit for the experimental data. The modified Halsey equation was a good modelfor moisture adsorption and desorption of prunes.
Czech name
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Czech description
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Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
GM - Food industry
OECD FORD branch
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Project
<a href="/en/project/GA510%2F95%2F1214" target="_blank" >GA510/95/1214: Mathematical modelling and prediction of dehydration of agricultural products and wastes</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
1999
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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