Novel, smart and RFID assisted critical temperature indicator for supply chain monitoring

Garbriela Simone Lorite, Tuula Selkälä, Teemu Sipola, Jesus Palenzuela, Elena Jubete, Ana Viñuales, Germán Cabañero, Hans J. Grande, Jarkko Tuominen, Sanna Uusitalo, Leena Hakalahti, Krisztian Kordas, Geza Toth (Corresponding Author)

    Research output: Contribution to journalArticleScientificpeer-review

    70 Citations (Scopus)


    In order to reduce food waste and meet the needs of the demanding modern consumer regarding the quality of food items, it is crucial to monitor the supply chain and storage conditions of perishable food products. Considering this scenario, temperature plays an important role on food safety and quality during storage and supply. In this work, a critical temperature indicator (CTI) based on a solvent melting point is developed. Furthermore, the present CTI working principle is improved by the use of microfluidics technology. As final result, a novel and functional CTI-smart sensor which combines irreversible visual color changes and radio frequency identification (RFID) technologies is achieved. Such CTI integrated to a RFID tag provides a unique advantage to monitor the supply chain in real time by the simple use of a RFID reader in strategic points.
    Original languageEnglish
    Pages (from-to)20-28
    JournalJournal of Food Engineering
    Publication statusPublished - 1 Jan 2017
    MoE publication typeA1 Journal article-refereed


    Funding received from EU under the Seventh Framework Program (FP7) in project Susfoflex (Smart and sustainable food packaging utilizing flexible printed intelligence and materials technologies, grant agreement no. 289829) is acknowledged.


    • critical temperature indicator
    • sensor
    • RFID
    • microfuidics
    • supply chain
    • intelligent packaging


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