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CHEMOMETRIC APPLICATIONS OF THERMALLY PRODUCED COMPOUNDS AS TIME-TEMPERATURE INTEGRATORS IN ASEPTIC PROCESSING OF PARTICULATE FOODS

机译:作为时间-温度积分器的热生成化合物在化学过程中的化学计量学应用

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摘要

The chemometric principle was used to derive a guideline for obtaining a simple "yes or no" answer about the sterility of food particulates heated at aseptic processing temperatures. A quadratic temperature pulse model was used to estimate bacterial destruction from the fractional yield of thermally produced chemical marker compounds (2,3-dihydro-3,5-dihydroxy-6-methyl-4(H)-pyran-4-one, M-1, and 4-hydroxy-5-methyl-3(2H)-furanone, M-2) and the rate constants and the activation energies of the chemical and bacterial systems. The model yielded a conservative estimate of lethality at the center of meatballs heated under different time-temperature conditions. A scheme for determining the minimum marker yield for a designated F_0-value is provided.
机译:化学计量学原理被用于获得关于在无菌加工温度下加热的食物颗粒的无菌性的简单“是或否”答案的指南。使用二次温度脉冲模型从热产生的化学标记化合物(2,3-dihydro-3,5-dihydroxy-6-methyl-4(H)-pyran-4-one,M -1和4-羟基-5-甲基-3(2H)-呋喃酮(M-2)以及化学和细菌系统的速率常数和活化能。该模型对在不同时间-温度条件下加热的肉丸中心的致死率进行了保守估计。提供了一种用于确定指定的F_0值的最小标记产量的方案。

著录项

  • 来源
  • 会议地点 Honolulu HI(US)
  • 作者

    H.-J. Kim; Y.-M. Choi;

  • 作者单位

    Department of Chemistry College of Natural Sciences, Seoul National University Seoul, Korea;

    Institute of Biotechnology Korea University Seoul, Korea;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 食品化学;
  • 关键词

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