Preservation Effect of Cold Plasma Application Combination with Slightly Acidic Electrolyzed Water on Salmon
In this study,the conditions of low-temperature plasma-coupled slightly acidic electrolyzed water for salmon sterilization were optimized through single factor and Box-Behnken response surface tests.In addition,physicochemical indicators like total viable count(TVC),pH value,total volatile base nitrogen(TVBN),thiobarbituric acid reactive substances(TBARS),carbonyl content,and color were analyzed to compare the preservation effects of plasma-activated water(PAW),slightly acidic electrolyzed water(SAEW)and cold plasma application combination with slightly acidic electrolyzed water(PASW)on salmon at 4 ℃.The results showed that the optimal condition for sterilization was slow temperature plasma activation time-5 min,the power-320 W,immersion time-20 min,effective chlorine concentra-tion-50 mg/mL,and solid-liquid ratio-1∶6.The abovementioned three treatment groups could all prolong the storage time of salmon,but low-temperature plasma coupled with slightly acidic electrolyzed water was more conducive to allevi-ating lipid and protein oxidation.This study provides a new idea for the preservation of aquatic products.
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