Criteria for an appropriate sorption model based on statistical analysis

Sopade, Peter A. (2001) Criteria for an appropriate sorption model based on statistical analysis. International Journal of Food Properties, 4 3: 405-418.

Document type: Journal Article
Collection: School of Land, Crop and Food Sciences Publications

Author(s) Sopade, Peter A.
Title Criteria for an appropriate sorption model based on statistical analysis
Journal name International Journal of Food Properties
Publication date 2001
Sub-type Article
Volume number 4
Issue number 3
ISSN 1094-2912; 1532-2386
Start page 405
End page 418
Total pages 14
Place of publication New York
Publisher Marcel Dekker Inc
Language eng
Subject 1111 Nutrition and Dietetics
Abstract Moisture sorption behaviour of food systems is valuable in analysing and predicting their dehydration characteristics. Many sorption models are in use and selected ones were listed. An appropriate model is recommended on the basis of its statistical assessment. Regression parameters (coefficient of determination, standard error and mean relative deviation modulus) from about 290 data sets were presented and related one to another. A low mean relative deviation modulus did not result from either a high coefficient of determination or a low standard error of estimate in all the cases. The residuals from the Oswin, Smith, Henderson., GAB, ChungPfost, and Halsey models on typical sorption data were discussed. No one parameter was found to solely indicate a perfect fit, and sorption models will be better assessed on more than one statistical parameter before being chosen.
Keyword(s) Food Science & Technology
Moisture Sorption
Isotherm Equations
Foods
Desorption
 
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http://dx.doi.org/10.1081/JFP-100108642  
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