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Effectiveness of Insect-Repellent Food Packaging Film Incorporating Thymol against Rice Weevil, Sitophylus oryzae


Affiliations
1 Department of Food Processing and Quality Control, Kolej Komuniti Pasir Salak, Ministry of Higher Education, Jalan Lebuh Paduka, Changkat Lada, 36800, Kampung Gajah, Perak, Malaysia
2 School of Chemical and Energy Engineering, Faculty of Engineering, Universiti Teknologi Malaysia, 81110, Skudai, Johor Bahru, Johor, Malaysia
 

This study aimed at assessing the repellent efficacy of different levels of thymol (2%, 4% and 6% (w/w)) in rice packaging against rice weevil, Sitophylus oryzae. Insect repellent assays performed in the study showed 51.84%, 48.15% and 48.15% repellency effects for 2%, 4% and 6% thymol film respectively, within three days. Films containing over 2% thymol exhibited a mortality rate of Sitophylus oryzae (n > 40%), while the penetration of rice weevil specimens through the repellent film was prevented, demonstrating the potential for the usage of thymol in insect-repellent packaging for rice.

Keywords

Essential Oils, Insect Repellent, Packaging Film, Rice Weevil, Thymol.
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  • Effectiveness of Insect-Repellent Food Packaging Film Incorporating Thymol against Rice Weevil, Sitophylus oryzae

Abstract Views: 55  |  PDF Views: 37

Authors

Aishah Mohd Marsin
Department of Food Processing and Quality Control, Kolej Komuniti Pasir Salak, Ministry of Higher Education, Jalan Lebuh Paduka, Changkat Lada, 36800, Kampung Gajah, Perak, Malaysia
Ida Idayu Muhamad
School of Chemical and Energy Engineering, Faculty of Engineering, Universiti Teknologi Malaysia, 81110, Skudai, Johor Bahru, Johor, Malaysia

Abstract


This study aimed at assessing the repellent efficacy of different levels of thymol (2%, 4% and 6% (w/w)) in rice packaging against rice weevil, Sitophylus oryzae. Insect repellent assays performed in the study showed 51.84%, 48.15% and 48.15% repellency effects for 2%, 4% and 6% thymol film respectively, within three days. Films containing over 2% thymol exhibited a mortality rate of Sitophylus oryzae (n > 40%), while the penetration of rice weevil specimens through the repellent film was prevented, demonstrating the potential for the usage of thymol in insect-repellent packaging for rice.

Keywords


Essential Oils, Insect Repellent, Packaging Film, Rice Weevil, Thymol.

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DOI: https://doi.org/10.18520/cs%2Fv125%2Fi5%2F551-556