Reliability of Time‐Temperature Indicators as Food Quality Monitors Under Nonisothermal Conditions

P. S. TAOUKIS, Ted P Labuza

Research output: Contribution to journalArticle

92 Scopus citations

Abstract

Application of time temperature indicators (TTI) is based on response information or kinetic models from isothermal testing. The reliability of such models under variable temperature conditions was systematically studied. Nonisothermal experiments of two types were conducted involving prolonged exposures to high temperatures followed by storage at low temperatures to study the “history effect,” and storage at controlled, sinusoidaly varying temperatures. Three major types of commercial TTI were studied. Results showed that, although some types of TTI exhibit a significant “history effect,” the prediction models can be applied satisfactorily for the variable temperature storage.

Original languageEnglish (US)
Pages (from-to)789-792
Number of pages4
JournalJournal of food science
Volume54
Issue number4
DOIs
StatePublished - Jul 1989

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