20.  Food Applications of Monolayer LDPE/Bioactive Nanocomposite Films

Authors: M. Ionescu, G. Mustatea, V. Ionescu, G. Spadaro, Z. Vuluga, M. Iorga and D. Florea


Abstract:

Recently, related to functional food development, is building a new packaging technology called bioactive packaging, in which a package or cover for a package have the unique role in growing food impact on consumer health. For bioactive packaging concept development we have to point the industrial benefits of bioactive compounds which will be included in packaging or coating materials, beyond their direct inclusion in food. In this study were analyzed various types of monolayer LDPE / bioactive nanocomposite films, obtained by incorporating organophylized silicate modified with starch, hydrolyzed collagen, fatty acid C16-18 and quebracho (a natural poly-phenol). For food packaging applications were taken into account both the requirements of food contact legislation and physico-mechanical characteristics, water vapors and gas permeability. Packaging experiments of 2 types of products were carried out on meat products: smoky pork salami and chicken meat paste (sausage) and high quality cow cheese. The two types of products were investigated by physico-chemical analysis and microbiological analysis periodically during storage, at different times, depending on the package product shelf-life.


Keywords: nanocomposite, bioactive, food application, packaging

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