Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Effect of Corona Treatment Method to Carvacrol Nanocoating Process for Carvacrol/Halloysite-Nanotube/Low-Density-Polyethylene Active Packaging Films Development

Version 1 : Received: 27 May 2024 / Approved: 27 May 2024 / Online: 27 May 2024 (11:38:12 CEST)

How to cite: Giannakas, A. E.; Karabagias, V. K.; Ndreka, A.; Dimitrakou, A.; Leontiou, A. Α.; Katerinopoulou, K.; Karakassides, M. A.; Proestos, C.; Salmas, C. E. Effect of Corona Treatment Method to Carvacrol Nanocoating Process for Carvacrol/Halloysite-Nanotube/Low-Density-Polyethylene Active Packaging Films Development. Preprints 2024, 2024051704. https://doi.org/10.20944/preprints202405.1704.v1 Giannakas, A. E.; Karabagias, V. K.; Ndreka, A.; Dimitrakou, A.; Leontiou, A. Α.; Katerinopoulou, K.; Karakassides, M. A.; Proestos, C.; Salmas, C. E. Effect of Corona Treatment Method to Carvacrol Nanocoating Process for Carvacrol/Halloysite-Nanotube/Low-Density-Polyethylene Active Packaging Films Development. Preprints 2024, 2024051704. https://doi.org/10.20944/preprints202405.1704.v1

Abstract

Climate change, increasing global food needs, and decreasing global resources brought a new era to human every-day live with a strong turn to circular economy and sustainability. Food packaging and preservation is an important global sector where enchanced research is carried out. New methods such as active packaging and chemical preservatives replacement are of major interest. Many researchers were published studies about active packaging films, replacement of chemical preservatives with natural originated extracts, and novel incorporation procedures. Sequentially to our and other scientists’ previous work, in this paper we present the results of the improvement which was achieved by incorporating the developed nanohybrid of natural-halloysite/carvacrol-extract, the pure natural carvacrol extract and the commonly used low-density-polyethylene. The well known corona-treatment procedure was employed to produced the optimum final film and the results shown that the low-density-polyethylene incorporated with natural-halloysite/carvacrol-extract nanohybrid and coated external with extra carvacrol extract exhibited aproximatelly 100% higher Young-Modulus values, slightly decreased ultimate strength by 20%, and almost stable elonation at break properties. The water-vapor and oxygen barrier increased by 40%. Finally, the antioxidant activity of the corrona-treated film increased by 28% compared to the similar but untreated product because of the lower release rate of the carvacrol.

Keywords

Low density polyethylene; carvacrol; halloysite nanotube; corona treatment; nanocoating; active packaging; control release

Subject

Chemistry and Materials Science, Nanotechnology

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