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Materials 2018, 11(8), 1370; https://doi.org/10.3390/ma11081370

Bacteriostatic Effect of a Calcined Waste Clamshell-Activated Plastic Film for Food Packaging

1
Agricultural Technology Research Institute, Hsinchu 30093, Taiwan
2
Department of Bioscience and Biotechnology, National Taiwan Ocean University, Keelung 20224, Taiwan
3
Water Technology Division, Material and Chemical Research Laboratories, Industrial Technology Research Institute, Hsinchu 31057, Taiwan
4
Seafood Technology Division, Fisheries Research Institute, Council of Agriculture, Keelung 20246, Taiwan
*
Author to whom correspondence should be addressed.
Received: 1 July 2018 / Revised: 25 July 2018 / Accepted: 31 July 2018 / Published: 7 August 2018
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Abstract

The addition of calcined waste clamshells (CCS) into polyethylene (PE) plastic bags imparts antibacterial properties due to the presence of CaO. In this study, different proportions of calcined waste clamshells were added to PE to explore its bacteriostatic effects. The PE plastic bags with 9% and 11% of CCS exhibited antibacterial efficacy. Further, total aerobic viable count (TVC) values for raw fish fillet packaging in 9% and 11% CCS-PE plastic bags for five days were similar to the 0% CCS-PE plastic bag group after three days of incubation. In addition, the CCS-PE plastic bag demonstrated stability against solvents when examined using the metal migration test under heptane, ethanol, and acetic acid treatments. The results revealed that the CCS-PE bag retains its CaO bacteriostatic efficacy and that the addition of CCS powder to PE prolongs the shelf life of raw fish fillets, as well as mitigating safety concerns from metal leakage. View Full-Text
Keywords: biological waste treatment; calcined waste clamshells; antibacterial; bacteriostatic effect biological waste treatment; calcined waste clamshells; antibacterial; bacteriostatic effect
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Kao, C.-Y.; Huang, Y.-C.; Chiu, S.-Y.; Kuo, K.-L.; Hwang, P.-A. Bacteriostatic Effect of a Calcined Waste Clamshell-Activated Plastic Film for Food Packaging. Materials 2018, 11, 1370.

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