Application of ozone sprays as a strategy to improve the microbial safety and quality of salmon fillets

► This study assessed the antimicrobial efficacy of ozone sprays against Listeria innocua on salmon fillets. ► Ozone sprays at 1.5 mg/L are effective in reducing initial counts of aerobic bacteria on salmon fillets. ► Ozone sprays at 1.5 mg/L significantly reduced L. innocua on salmon fillets. ► Ozone (≤1.5 mg/L) did not induce significant increases in lipid oxidation within refrigerated salmon fillets. ► Ozone treatments resulted in ensuring microbial safety and quality of processed salmon.