Temperature-controlling system for fresh produce during distribution and transportation

Suman Singh, Kirtiraj K. Gaikwad, Youn Suk Lee

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)


Here, a novel temperature-responsive coating for corrugated boxes, using tetradecane as a thermoregulating material (TRM), was successfully developed. The thermal conductivity of TRM was improved by vacuum impregnation using expanded graphite (EG + TRM). Thermal insulation coating (EG/RH + TRM) was prepared using rice husk and E + TRM. Coatings were applied to the interior wall of corrugated boxes to improve their thermal buffering property. Fourier-transform infrared spectroscopy results showed that TRM and EG undergo physical but not chemical changes. Thermal properties of TRM were studied using differential scanning calorimetry, the melting point of TRM is 5.82 °C with a latent heat of 202.8 J g−1 and crystallization begins at 2.43 °C with a latent heat of 198.6 J g−1. Thermal insulation coating melts at − 4.69 °C with a latent heat of 60.71 J g−1 and solidifies at 4.50 °C with a latent heat of 65.76 J g−1. Fresh mushrooms were used to analyze the thermal buffering capacity of the temperature-responsive corrugated boxes through the evaluation of quality parameters such as texture, color, pH, polyphenol oxidase activity and mass loss. Thermally buffered package shows acceptable limits for all the quality parameters during storage time.

Original languageEnglish
Pages (from-to)1915-1923
Number of pages9
JournalJournal of Thermal Analysis and Calorimetry
Issue number3
Publication statusPublished - 2020 Feb 1

Bibliographical note

Publisher Copyright:
© 2019, Akadémiai Kiadó, Budapest, Hungary.

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Physical and Theoretical Chemistry


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