pH in Action

L.M.M. Tijskens, E.S.A. Biekman

Research output: Contribution to journalArticleAcademicpeer-review


Based on fundamental chemical relations, well-established in chemical engineering and chemical technology over almost a century, the effects of pH in food and agricultural products will be deduced for different situations and processes. Based on simple equilibria and dissociation of water, salts, acids and bases, and considering the reaction of hydrogen ions in these food-related systems, simple and reliable formulations are developed capable of describing surprisingly well the discoloration of blanched vegetables and the activity of enzymes in different buffered and unbuffered systems. The line of reasoning is generic and can be applied repeatedly to different problems, situations and processes.
Original languageEnglish
Pages (from-to)301-306
JournalActa Horticulturae
Publication statusPublished - 2001


  • Enzyme activity
  • Kinetics
  • Modelling
  • PH


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