Abstract:Ultrasonication (US) processing of ketchup, changes in its quality parameters and microbial inactivation, and joint optimization of treatment parameters (22–57.5 °C treatment temperature, 90 and 100% amplitude, and 3 and 5 min treatment times) were investigated. Increased temperature and amplitude changed properties of ketchup. Total initial mold and yeast count of 2.40 ± 0.23 log CFU/mL became undetectable with all US treatments. Total initial lactic acid bacteria of 3.91 ± 0.23 log CFU/mL became undetectable… Show more
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