{"id":6120,"date":"2025-11-26T09:00:00","date_gmt":"2025-11-26T15:00:00","guid":{"rendered":"https:\/\/www.oxidationtech.com\/blog\/?p=6120"},"modified":"2025-11-24T11:42:46","modified_gmt":"2025-11-24T17:42:46","slug":"ozones-secret-in-shellfish-depuration","status":"publish","type":"post","link":"https:\/\/www.oxidationtech.com\/blog\/ozones-secret-in-shellfish-depuration\/","title":{"rendered":"From Gritty to Pretty: Ozone\u2019s Secret in Shellfish Depuration"},"content":{"rendered":"\n

Cleaner Shellfish, Safer Food: How Ozone Revolutionizes Shellfish Depuration<\/a><\/strong><\/h3>\n\n\n\n

Shellfish like oysters, clams, and mussels are prized for their flavor and nutrition, but they can also harbor harmful bacteria and viruses from coastal waters. To ensure safety, processors rely on depuration<\/a><\/strong>\u2014a process that purges contaminants from live shellfish before they reach your plate. Traditionally, this involves holding shellfish in clean seawater for 24\u201348 hours, but standard systems using filtration and UV sterilization often fall short against pathogens like E. coli<\/em>, Vibrio<\/em>, and norovirus.<\/p>\n\n\n\n

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Why Ozone?<\/strong><\/h3>\n\n\n\n

Ozone (O\u2083)<\/a> is one of the strongest oxidizing agents available, offering several key benefits:<\/p>\n\n\n\n

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  1. Broad-Spectrum Disinfection<\/strong>
    Ozone inactivates bacteria, viruses, and protozoa far more effectively than chlorine or UV, without leaving chemical residues.<\/li>\n\n\n\n
  2. Enhanced Water Quality<\/strong>
    It breaks down dissolved organics, color, and odor compounds, improving clarity and reducing biological oxygen demand (BOD). This creates a cleaner, more stable environment for shellfish.<\/li>\n\n\n\n
  3. Eco-Friendly and Chemical-Free<\/strong>
    Unlike chlorine, ozone decomposes back to oxygen, leaving no harmful by-products\u2014perfect for sustainable aquaculture.<\/li>\n\n\n\n
  4. Extended Shelf Life<\/strong>
    Shellfish depurated in ozonated water have lower bacterial loads, slower spoilage rates, and maintain their natural flavor and texture longer.<\/li>\n<\/ol>\n\n\n\n

    FDA-Approved and Safe<\/strong><\/h3>\n\n\n\n

    Ozone is approved by the U.S. FDA under 21 CFR 173.368<\/strong> for use as an antimicrobial agent on food, including shellfish. When applied under Good Manufacturing Practices, it\u2019s safe for depuration water, equipment sanitization, and even as a rinse for shucked meats.<\/p>\n\n\n\n

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    How It Works<\/strong><\/h3>\n\n\n\n

    A typical ozone depuration system includes:<\/p>\n\n\n\n