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A New Look at Kinetics in Relation to Food Storage
Annual Review of Food Science and Technology ( IF 12.4 ) Pub Date : 2017-02-28 00:00:00 , DOI: 10.1146/annurev-food-030216-025915
Micha Peleg 1 , Mark D. Normand 1 , Maria G. Corradini 1
Affiliation  

Modern mathematical software and user-friendly interactive programs can simplify and speed up kinetics calculations. They also open the way for new approaches to storage data gathering and analysis. This is demonstrated with a recently introduced simple exponential model that is interchangeable with the Arrhenius equation and endpoints and successive points methods and that estimates chemical degradation kinetics parameters from a small number of isothermal or nonisothermal experimental data. Also presented are a method to determine shelf life using two chemical markers and a global phenomenological model for peaked reactions, such as those encountered in lipid oxidation. Also recently introduced are freely downloadable Wolfram Demonstrations and other interactive software to generate, visualize, examine, and/or compare actual or hypothetical storage scenarios in minutes. They include programs that solve pairs of simultaneous nonlinear algebraic or differential rate equations by passing two reconstructed degradation curves, or a single nonisothermal curve, through two entered experimental points by moving the degradation parameters’ sliders on the screen.

中文翻译:


与食品储藏相关的动力学新视角

现代数学软件和用户友好的交互式程序可以简化并加快动力学计算。它们还为新的存储数据收集和分析方法开辟了道路。这可以通过最近引入的简单指数模型来证明,该模型可以与Arrhenius方程,端点和连续点方法互换,并可以从少量等温或非等温实验数据中估算化学降解动力学参数。还提出了一种使用两个化学标记物和全局现象学模型(例如在脂质氧化中遇到的那些)的峰值反应来确定保质期的方法。最近还推出了可免费下载的Wolfram演示和其他交互式软件,用于生成,可视化,检查,和/或在几分钟内比较实际或假设的存储方案。它们包括通过在屏幕上移动退化参数的滑块,使两条重构的退化曲线或一条非等温曲线穿过两个输入的实验点,从而解决成对的同时代数非线性代数或差分速率方程对的程序。

更新日期:2017-02-28
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