Development of Alizarin Red-based Indicator Films for Intelligent Packaging

Authors

  • Surachai Khankaew Department of Digital Printing and Packaging Technology, Faculty of Mass Communication Technology, Rajamangala University of Technology Thanyaburi (RMUTT)
  • Dolaporn Kritruatphol Department of Digital Printing and Packaging Technology, Faculty of Mass Communication Technology, Rajamangala University of Technology Thanyaburi (RMUTT)
  • Arphasiri Ngaojok Department of Digital Printing and Packaging Technology, Faculty of Mass Communication Technology, Rajamangala University of Technology Thanyaburi (RMUTT)

Keywords:

Indicator Film, Redox Dye, Alizarin Red, Intelligent Packaging

Abstract

This research aimed to develop the Alizarin Red dye (AR) based indicator films for intelligent packaging. The indicator films were studied by applying to food spoilage indicator film (FSI or ARF-1) and oxygen indicator film (OI or ARF-2). The results revealed that the initial transition rate of ARF-1 color augmented when increasing the concentration of AR dye. Whilst the ARF-2 was consisted of AR/TiO2/glycerol/MC in pphr, the color continuously changed when they were exposed to the UV light of 2.5 mW/cm2 (under an oxygen-free condition) by changing from red-orange to yellow that depended on the AR concentration and an electron donor. The results of ARF-2 with 20.9% of the O2 in ambient air portrayed that the activated ARF-2 at the concentration of 1/15/100/100 pphr immediately changed the color to the original color within 30 seconds.

References

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Published

2025-07-07

How to Cite

Khankaew, S. ., Kritruatphol, D. ., & Ngaojok, A. . (2025). Development of Alizarin Red-based Indicator Films for Intelligent Packaging. Journal of Industrial Technology : Suan Sunandha Rajabhat University, 7(2), 15–23. retrieved from https://ph01.tci-thaijo.org/index.php/fit-ssru/article/view/250548

Issue

Vol. 7 No. 2 (2019): JULY - DECEMBER 2019

Section

Research Articles

License

Copyright (c) 2022 Faculty of Industrial Technology, Suan Sunandha Rajabhat University

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This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

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