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KMID : 1007519960050040316
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Food Science and Biotechnology
1996 Volume.5 No. 4 p.316 ~ p.321
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Three - dimensional Oxygen Diffusion into a Packaged Liquid Food System with Simultaneous Oxidation of Vitamin C
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Kim Jai-Neung
Bruce R Harte
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Abstract
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Three-dimensional mathematical models for predicting loss of quality of packaged model 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 mass transfer of ascorbic acid through the product with simultaneous oxidation of ascorbic and 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 three-dimensional mathematical models were successfully validated by experimentation.
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