Physical properties of starch–Carboxy methyl cellulose composite films incorporated with Iranian honey propolis extract

Author(s): Azadeh Sadat Shekarabi, Abdol Rasool Oroomiehie, Ali Vaziri1, Mahdi Arjmand, Ali Akbar Safekordi

The aim of this study was to develop and characterize antimicrobial edible films produced fromamylose of starch and Carboxymethyl cellulose,Honey propolis extract and plasticized with glycerol. The physical properties of the films were characterized. A water-based coating with desirable barrier properties is important for the environment as well as health. The films obtained were easily manageable and flexible. Carboxy methyl cellulose reduced tensile strength (TS), while starch at concentrations above 60% increased it. The elongation at break values (EAB %) were higher for films containing higher Carboxy methyl cellulose concentrations. Water vapour permeability of films was found to increase as the antimicrobial agents content increased. Glass transition temperatures increased as a result of propolis honey extract content increased. Thus, itwas observed that propolis honey extract is a significant factor in the properties of these films and their food technology applications.

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