Document Type : Research Article-en
Authors
Department of Food Science and Technology, Ramin Agriculture and Natural Resources University of Khuzestan, Iran.
Abstract
The present work describes the physicochemical and antimicrobial properties of active films developed by incorporating different concentrations (0.5, 1, and 2% v/v) of Satureja hortensis essential oil (SEO) and 3% (w/w) nanoclay into a chitosan- montmorillonite nanocomposite film. The tensile strength (TS) of the films significantly decreased and elongation at break (EAB) increased with the incorporation of SEO. The control film exhibited the lowest water vapor permeability. In addition, decreases in water solubility (WS) and transparency were observed with increasing the concentration of SEO. Thermogravimetric analysis (TGA) indicated that films incorporated with SEO exhibited a higher degradation temperature compared with the control. The structural properties and morphology of the nanocomposite films were examined by X-ray diffractometry (XRD) and Scanning electron microscopy (SEM). SEO-incorporated films were more effective against gram positive bacteria (Staphylococcus aureus and Bacillus cereus) than gram negative ones (Salmonella typhimurium and Escherichia coli). The results suggested that SEO, as a natural antibacterial agent, has the potential to be applied in antimicrobial biodegradable films.
Keywords
Abdollahi, M., Rezaei, M., & Farzi, G. (2012). A novel active bionanocomposite film incorporating rosemary essential oil and nanoclay into chitosan. Journal of Food Engineering, 111(2), 343-350.
Ahmad, M., Benjakul, S., Prodpran, T., & Agustini, T. W. (2012). Physico-mechanical and antimicrobial properties of gelatin film from the skin of unicorn leatherjacket incorporated with essential oils. Food Hydrocolloids, 28(1), 189-199.
Alexandre, M., & Dubois, P. (2000). Polymer-layered silicate nanocomposites: preparation, properties and uses of a new class of materials. Materials Science and Engineering: R: Reports, 28(1), 1-63.
Almasi, H., Ghanbarzadeh, B., & Entezami, A. A. (2010). Physicochemical properties of starch–CMC–nanoclay biodegradable films. International Journal of Biological Macromolecules, 46(1), 1-5.
ASTM. (2002). Standard test method for tensile properties of thin plastic sheeting. In Annual book of ASTM standards designation D882. Philadelphia, PA: American Society for Testing and Materials.
Atef, M., Rezaei, M., & Behrooz, R. (2015). Characterization of physical, mechanical, and antibacterial properties of agar-cellulose bionanocomposite films incorporated with savory essential oil. Food Hydrocolloids, 45, 150-157.
Avella, M., De Vlieger, J. J., Errico, M. E., Fischer, S., Vacca, P., & Volpe, M. G. (2005). Biodegradable starch/clay nanocomposite films for food packaging applications. Food Chemistry, 93(3), 467-474.
Benavides, S., Villalobos-Carvajal, R., & Reyes, J. E. (2012). Physical, mechanical and antibacterial properties of alginate film: effect of the crosslinking degree and oregano essential oil concentration. Journal of Food Engineering, 110(2), 232-239.
Bonilla, J., Atares, L., Vargas, M., & Chiralt, A. (2012). Effect of essential oils and homogenization conditions on properties of chitosan-based films. Food Hydrocolloids, 26(1), 9-16.
Burt, S. (2004). Essential oils: their antibacterial properties and potential applications in foods—a review. International Journal of Food Microbiology, 94(3), 223-253.
Coma, V., Martial‐Gros, A., Garreau, S., Copinet, A., Salin, F., & Deschamps, A. (2002). Edible antimicrobial films based on chitosan matrix. Journal of Food Science, 67(3), 1162-1169.
Dashipour, A., Razavilar, V., Hosseini, H., Shojaee-Aliabadi, S., German, J. B., Ghanati, K., ... & Khaksar, R. (2015). Antioxidant and antimicrobial carboxymethyl cellulose films containing Zataria multiflora essential oil. International ournal of Biological Macromolecules, 72, 606-613.
Fisher, K., & Phillips, C. A. (2006). The effect of lemon, orange and bergamot essential oils and their components on the survival of Campylobacter jejuni, Escherichia coli O157, Listeria monocytogenes, Bacillus cereus and Staphylococcus aureus in vitro and in food systems. Journal of Applied Microbiology, 101(6), 1232-1240.
Gennadios, A., Hanna, M. A., & Kurth, L. B. (1997). Application of edible coatings on meats, poultry and seafoods: a review. LWT-Food Science and Technology, 30(4), 337-350.
Ghasemlou, M., Khodaiyan, F., & Oromiehie, A. (2011). Physical, mechanical, barrier, and thermal properties of polyol-plasticized biodegradable edible film made from kefiran. Carbohydrate Polymers, 84(1), 477-483.
Hadian, J., Ebrahimi, S. N., & Salehi, P. (2010). Variability of morphological and phytochemical characteristics among Satureja hortensis L. accessions of Iran. Industrial Crops and Products, 32(1), 62-69.
Hosseini, M. H., Razavi, S. H., & Mousavi, M. A. (2009). Antimicrobial, physical and mechanical properties of chitosan‐based films incorporated with thyme, clove and cinnamon essential oils. Journal of Food Processing and Preservation, 33(6), 727-743.
Hosseini, S. F., Rezaei, M., Zandi, M., & Farahmandghavi, F. (2015). Bio-based composite edible films containing Origanumvulgare L. essential oil. Industrial Crops and Products, 67, 403-413.
Jouki, M., Yazdi, F. T., Mortazavi, S. A., & Koocheki, A. (2014). Quince seed mucilage films incorporated with oregano essential oil: physical, thermal, barrier, antioxidant and antibacterial properties. Food Hydrocolloids, 36, 9-19.
Lavorgna, M., Piscitelli, F., Mangiacapra, P., & Buonocore, G. G. (2010). Study of the combined effect of both clay and glycerol plasticizer on the properties of chitosan films. Carbohydrate Polymers, 82(2), 291-298.
Peng, Y., & Li, Y. (2014). Combined effects of two kinds of essential oils on physical, mechanical and structural properties of chitosan films. Food Hydrocolloids, 36, 287-293.
Salarbashi, D., Tajik, S., Shojaee-Aliabadi, S., Ghasemlou, M., Moayyed, H., Khaksar, R., & Noghabi, M. S. (2014). Development of new active packaging film made from a soluble soybean polysaccharide incorporated Zataria multiflora Boiss and Mentha pulegium essential oils. Food Chemistry, 146, 614-622.
Sanchez-Gonzalez, L., Gonzalez-Martinez, C., Chiralt, A., & Chafer, M. (2010). Physical and antimicrobial properties of chitosan–tea tree essential oil composite films. Journal of Food Engineering, 98(4), 443-452.
Sefidkon, F., Abbasi, K., & Khaniki, G. B. (2006). Influence of drying and extraction methods on yield and chemical composition of the essential oil of Satureja hortensis. Food Chemistry, 99(1), 19-23.
Shen, Z., & Kamdem, D. P. (2015). Development and characterization of biodegradable chitosan films containing two essential oils. International Journal of Biological Macromolecules, 74, 289-296.
Shojaee-Aliabadi, S., Hosseini, H., Mohammadifar, M. A., Mohammadi, A., Ghasemlou, M., Ojagh, S. M., & Khaksar, R. (2013). Characterization of antioxidant-antimicrobial κ-carrageenan films containing Satureja hortensis essential oil. International Journal of Biological Macromolecules, 52, 116-124.
Wang, S. F., Shen, L., Tong, Y. J., Chen, L., Phang, I. Y., Lim, P. Q., & Liu, T. X. (2005). Biopolymer chitosan/montmorillonite nanocomposites: preparation and characterization. Polymer Degradation and Stability, 90(1), 123-131.
Xu, Y., Ren, X., & Hanna, M. A. (2006). Chitosan/clay nanocomposite film preparation and characterization. Journal of Applied Polymer Science, 99(4), 1684-1691.
Zolfi, M., Khodaiyan, F., Mousavi, M., & Hashemi, M. (2014). The improvement of characteristics of biodegradable films made from kefiran–whey protein by nanoparticle incorporation. Carbohydrate polymers, 109, 118-125
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