Antimicrobial activity of carboxymethyl cellulose-gelatin film containing Dianthus barbatus essential oil against aflatoxin-producing molds

Mehrdad Mohammadi; Mohammad Hossein Azizi; Alaleh Zoghi

doi:10.1002/fsn3.1413

Antimicrobial activity of carboxymethyl cellulose-gelatin film containing Dianthus barbatus essential oil against aflatoxin-producing molds

Food Sci Nutr. 2020 Jan 14;8(2):1244-1253. doi: 10.1002/fsn3.1413. eCollection 2020 Feb.

Authors

Mehrdad Mohammadi¹, Mohammad Hossein Azizi², Alaleh Zoghi¹

Affiliations

¹ Department of Food Technology Research National Nutrition and Food Technology Research Institute Faculty of Nutrition Sciences and Food Technology Shahid Beheshti University of Medical Sciences Tehran Iran.
² Department of Food Science and Technology Faculty of Agriculture Tarbiat Modarres University Tehran Iran.

Abstract

Edible films, as novel degradable materials in food packaging, play an important role in removing consumers' concerns about environmental pollution and food contaminations. Carboxymethyl cellulose (CMC)-gelatin (G) edible films with the ratio 4 to 1 was selected as the optimal film based on physical, mechanical, and physicochemical findings. Then, the effects of 0, 300, 450, and 600 ppm Dianthus barbatus essential oil (DbE) on water vapor permeability, tensile strength, elongation at break, water solubility, glass transition temperature, color, oxygen permeability, and antimicrobial activities on the optimal film were investigated. CMC: G (4:1) containing 600 ppm DbE as the antibacterial-antioxidant film was the best formulae (p < .05) for preventing three types of aflatoxin-producing mold including A. flavus (PTCC-5004), A. parasiticus (PTCC-5286), and A. parasiticus (PTCC-5018) on pistachios for 6 months.

Keywords: Aflatoxin; CMC; Dianthus barbatus; antimicrobial packaging; edible film; essential oil.