Improved Physicochemical Properties of Tapioca Starch / Bovine Gelatin Biodegradable Films with Zinc Oxide Nanorod

Journal of Chemical Health Risks

مقاله 4، دوره 4، شماره 4، اسفند 2014   

شناسه دیجیتال (DOI): 10.22034/jchr.2018.544081

نویسندگان

Mohammad Mehdi Marvizadeh^* ؛ Abdorreza Mohammadi Nafchi؛ Maryam Jokar

Food Biopolymer Research Group, Food Science and Technology Department, Damghan Branch, Islamic Azad University, Damghan, Semnan, Iran

چکیده

The effects of zinc oxide nanorod (ZnO-N) incorporation on thephysicochemical properties of tapioca starch / bovin gelatin composite film such as water absorption capacity (WАC), water solubility and permeability to water vapour (WVP) were investigated. In this search, ZnO-N was homogenized by sonication and added into tapioca starch / bovine gelаtin dispersions аt different concentrations (e.g. 0.5, 2, and 3.5% w/w total solid). Incorporation of 3.5% of nanoparticles to tapioca starch / bovine gelatin films decreased the permeability to water vapor by 18%. Water absorption capacity and Solubility of the films were decreased by increasing the ZnO-N contents. These properties suggest that ZnO-N has the potential as filler in starch /gelatin-based films for using in pharmaceutical and food packaging industries

کلیدواژه‌ها

Bionanocomposite؛ Physicochemical properties؛ Tapioca starch؛ WVP؛ Zinc oxide nanorod

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