The effect of onion extract on nitrite in sausage under different conditions is studied with nitrite clearance rate as an index.Through single-factor experiment,it is concluded that the dosage of shallot extract,reaction time and water bath temperature are the three factors that have a greater impact,and then the response surface method is used to optimize.The best reaction condition is obtained that the water bath temperature is 85 ℃,the amount of shallot extract is 3 mL,and the reaction time is 16 min.Under this condition,the removal rate of nitrite in sausage by shallot extract reaches the maximum.It provides a new idea for the application of scallion and a new solution for the removal of nitrite.
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