Antibacterial paperboard packaging using microfibrillated cellulose

Journal of Food Science and Technology
Nathalie LavoineJulien Bras

Abstract

The industry and consumers are focusing more and more on the development of biodegradable and lightweight food-packaging materials, which could better preserve the quality of the food and improve its shelf-life. In an attempt to meet these requirements, this study presents a novel bio-substrate able to contain active bio-molecules for future food-packaging applications. Based on a paperboard substrate, the development of an antibacterial bio-packaging material is, therein, achieved using a chlorhexidine digluconate (CHX) solution as a model of an antibacterial molecule, mixed with microfibrillated cellulose (MFC) and used as coating onto paperboard samples. AFM and FE-SEM analyses were performed to underline the nanoporous MFC network able to trap and to progressively release the CHX molecules. The release study of CHX was conducted in an aqueous medium and showed a lower proportion (20 %) of CHX released when using MFC. This led to the constant release of low amounts of CHX over 40 h. Antibacterial tests were carried out to assess the preservation of the antibacterial activity of the samples after the release studies. Samples remained active against Bacillus subtilis, with better results being obtained when MFC was used. The p...Continue Reading

References

Feb 20, 2007·Journal of Agricultural and Food Chemistry·Afef Ben ArfaNathalie Gontard
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Apr 20, 2013·Journal of the American Medical Informatics Association : JAMIA·Kathrin M CresswellAziz Sheikh
Jun 5, 2013·Colloids and Surfaces. B, Biointerfaces·Carlo A CozzolinoStefano Farris
Feb 18, 2014·Carbohydrate Polymers·Nathalie LavoineJulien Bras
Jan 1, 2010·Comprehensive Reviews in Food Science and Food Safety·Khaoula KhwaldiaStephane Desobry

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Citations

Sep 11, 2016·Materials Science & Engineering. C, Materials for Biological Applications·Benoit BideauEric Loranger
Jan 14, 2021·Carbohydrate Polymers·Sandeep S AhankariAlain Dufresne

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