List of Articles Beef meat Open Access Article Abstract Page Full-Text 1 - Comparison of bacteria in beef meat and poultry in terms of packaging and without packaging in Gilan province Ali Mojaddar langroodi Ali Ehsani Aiub Ebadi احسان مقدس کیا Open Access Article Abstract Page Full-Text 2 - The effect of application of bioactive packing cover on the basis of natural preservative (chitosan / natamycin) and microalgae, Spirolina platensis and Chlorella vulgaris on Quality Characteristics and Beef Shelf Life reza shafiei toktam mostaghim