الفهرس 
Using Some Natural Antioxidant and Antimicrobial Active Packaging in Some Dairy ProductsOnly 14 pages are availabe for public view
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Abstract
Growing consumer demand for the food without chemical preservatives focused significant extent of research in the direction of finding natural compounds that can be used in food preservation. In this context, natural substances with strong antimicrobial and antioxidant properties, like essential oils, as well as natural biopolymers, particularly draw attention. Natural biopolymers can serve as carriers of the active components, such as essential oils in order of their sustained release to the food during storage, and may themselves exhibit activity in protecting foods from oxidation and/or microbial spoilage (Hromiš et al., 2017).
(Nerín et al., 2006). Active packaging with antioxidant properties have received special attention, since they are one of the most promising alternatives to traditional packaging, in which antioxidants Active packaging acts as an inert barrier between food products and the external environment, and the incorporation of antioxidant agents into polymeric packaging materials is an exciting development in food packaging are incorporated into or coated into food packaging materials to reduce oxidation of the food, which is one of the main causes of food spoilage (López-de-Dicastillo et al., 2011).
Antimicrobial packaging is the packaging system that is able to kill or inhibit spoilage and pathogenic microorganisms that are contaminating foods. The new antimicrobial function can be achieved by adding antimicrobial agents in the packaging system and/or using antimicrobial polymers that satisfy conventional packaging requirements. The antimicrobial agents used for active packaging can be categorized depending on the material base as either organic or inorganic or chemical agents or natural agents or probiotics (Ahvenainen, 2003; Lee, 2010).
Antimicrobial agents can be inside films and trays after manufacture or additionally added into the packaging material polymer mix. Use of packaging films containing antimicrobial agents could inhibit undesirable microorganisms in food during storage (Seydim and Sarikus, 2006: Eissa, 2007 and Emiroğlu et al., 2010).
Natural polymers have received attention as economical, readily available and non-toxic materials. They are capable of chemical modifications, potentially biodegradable and with few exceptions, also biocompatible (Naga et al., 2011). Biopolymers are available in large quantities from renewable sources, while synthetic polymers are produced from non-renewable resources. The polysaccharides represent one of the most abundant industrial raw materials and have been the subject of intensive research due to their sustainability, biodegradability and bio-safety (Jana et al., 2011).
Chitosan is a polysaccharide obtained from chitin by deacetylation. This biopolymer has been recommended as a suitable functional material because of its biocompatibility, biodegradability, nontoxicity, adsorption properties, inexpensive and possesses reactive amino groups that has shown to be useful in different areas as an antimicrobial compound in agriculture, as a potential elicitor of plant defence responses, as natural preservative for the safety of food, as a hydrating agent in cosmetics, as a flocculating agent in waste water treatment and more recently as a pharmaceutical agent in biomedicine (Shakeel and Saiqa, 2016).