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0.05), but significant decrease and increase were obtained for tensile strength and elongation at break, respectively (p < 0.05). The water vapor permeability of films was increased up to 6% of essential oil but with further increase, it was significantly decreased (p < 0.05). The results of inhibition zone test showed that the antimicrobial inhibitory properties of Rosmarinus officinalis essential oil against Staphylococcus aureus were greater than Escherichia coli. Decrease of 2, 1.7 and 1.85 logarithmic units was respectively observed in total count of microorganisms, E. coli and S. aureus on ostrich meat during 12 days of storage in the refrigerator. The produced antimicrobial film has the potential to be applied in the packaging of different food.]]>
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0.05). By increasing the storage time, the amounts of acetaldehyde and acetoin were decreased, while acetic acid at first was increased and then was decreased. Temperature of storage didn’t have a constant effect on diacetyl and ethanol amounts of probiotic cheese. Sensory evaluation exhibited cheese flavor and texture had no significant differences during storage time and it can be concluded that the probiotic inoculation level of 109 cfu /g and storage temperature (25 ºC) were the best conditions for the production of probiotic ultrafiltration cheese.]]>
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