Document Type : Original Article


1 Department of Food Science and Engineering, Faculty of Industrial and Mechanical Engineering, Qazvin Branch, Islamic Azad University, Qazvin, Iran

2 Department of Food Science and Engineering, Mahalat Branch, Islamic Azad University, Mahalat, Iran

3 Department of Fisheries, Faculty of Agriculture, Kermanshah Branch, Islamic Azad University, Kermanshah, Iran


In this research, nitrite was partially replaced with different concentrations of Berberis vulgaris and Rosmarinus officinalis (0, 30, 60, 90 mg/kg) extracts in the unfermented sausage. Samples were kept at refrigerator temperature and physicochemical and organoleptic evaluations of treatments were performed. The findings showed an increase in moisture and ash content and a decrease in fat and protein content, and IC50 by increasing the storage time. The highest level of antioxidant activity was reported for treatment with 90 mg/kg R. officinalis extract. As for sensory properties, 60 mg/kg treatment showed the highest sensory score after the control sample; however, 30 mg/kg treatment had the highest score in terms of consistency after the control sample. It can be concluded that 60 mg/kg R. officinalis extract has a better potential to improve the qualitative characteristics of unfermented sausage and it can be a proper substitute for decreasing the nitrite in sausage formulations.


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