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KMID : 1007519960050040310
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Food Science and Biotechnology
1996 Volume.5 No. 4 p.310 ~ p.315
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Shelf Life Prediction Model and Experimental Validation of a Packaged Liquid Food System
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Kim Jai-Neung
Bruce R Harte
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Abstract
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One-dimensional mathematical models for predicting loss of quality of a packaged liquid system (mixture of water and ascorbic acid) were developed. The models were based on the mass transfer of oxygen through the package into the liquid and the mass transfer of ascorbic acid through the product with simultaneous oxidation of ascorbic acid in the packaged liquid food product. Computer programs were developed to solve the mathematical models using the finite difference method. The concentration of the ascorbic acid in the liquid food product was analyzed using high performance liquid chromatography. The one-dimensional mathematical models were successfully validated by experimentation.
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KEYWORD
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