This experiment was aimed to evaluate and compare the effects of adding natural extracts (clove, Mentha thyme) with synthetic BHT on some physiochemical, microbial, sensory characteristics lamb patties stored at 4 Cº for 12 days. Results indicated that there’s a steady rise (P<0.01) in oxidative rancidity, microbial pH increasing time storage. Also, significant reduction TBA, observed treate...