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KEEPER® - Sodium Chlorite Solutions

Antimicrobial Control in Food Processing

KEEPER® is a line of stabilized sodium chlorite solutions engineered by Kemin Bio Solutions to deliver flexible, effective, and efficient antimicrobial control across food processing environments. Designed for activation with a GRAS (Generally Recognized as Safe) food-grade acid, KEEPER forms a powerful oxidative solution effective against common pathogens and spoilage organisms—helping processors improve sanitation outcomes and meet food safety standards.

KEEPER

Available in multiple concentrations and packaging formats, KEEPER allows facilities of all sizes to tailor sanitation protocols to their unique needs. Whether used in post-harvest produce, poultry, red meat, or seafood operations, KEEPER offers lasting antimicrobial protection, improved handling safety, and broad application versatility. 

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Features and Benefits 

  • Partial activation supports extended antimicrobial action
  • Reduced acid use minimizes corrosion and handling risks
  • Compatible with a wide range of dosing equipment
  • Offered in drums, totes, and tankers for flexible use
  • Supports scalable, cost-effective sanitation programs
  • Aligns with FDA and USDA regulations when used as directed
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Packaging Options

  • KEEPER and KEEPER Professional: 
    • Drums: 5, 30, 55 gallons
    • Tote: 330 gallons 
  • KEEPER 15 
    • Tote: 300 gallons
    • Tanker 18,000 gallons
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Application

  • Post-harvest produce
  • Poultry 
  • Red Meat 
  • Seafood 

Mode of Action 

Activated sodium chlorite (ASC) works through a powerful oxidative process that begins when sodium chlorite is acidified to form chlorous acid the primary antimicrobial agent. Chlorous acid disrupts microbial membranes, proteins, and enzymes, interfering with vital cellular functions and resulting in effective microbial control.1 In addition, small amounts of chlorine dioxide are generated in situ, further enhancing antimicrobial performance. ASC initiates the oxidative chain reaction that drives effective sanitation.2

Validated Efficacy and Pathogen Reduction 

KEEPER Efficacy Web V3

Broad-Spectrum Pathogen Reduction: KEEPER significantly reduces E. coli O157:H7, Listeria, Salmonella, and Campylobacter under validated application conditions, providing fast, broad-spectrum protection for your operation.3,4,5,6

Keeper E. Coli

Comparative Efficacy at Lower Concentrations: KEEPER achieves a 99.999% reduction of E. coli O157:H7 at significantly lower concentrations than other common biocides—demonstrating superior efficacy with less chemical input.4

Backed by Kemin Expertise

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Technical Services

Our experts collaborate with your team to optimize antimicrobial integration into existing operations, ensuring seamless implementation and peak performance.

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Customer Laboratory Services

Kemin's Customer Laboratory Services provides tailored lab analyses to help you determine the most effective dosage and evaluate performance metrics for your specific process setup.

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Kemin Application Solutions

Kemin Application Solutions offers onsite support and specialized equipment recommendations to help you accurately dose and monitor enzyme use at your facility.

Ready to Strengthen Your Sanitation Program?

Contact Kemin today to explore how KEEPER sodium chlorite solutions can help reduce costs, improve sanitation efficiency, and elevate food safety performance in your plant.

References:

1. U.S. FDA. (2001). Food Additive Petition for Acidified Sodium Chlorite (ASC). 21 CFR 173.325. 2025

2. Adam, L. C., & Gordon, G. (1999). Reactions of chlorine dioxide with hydrogen peroxide, sulfite, and thiosulfate. Inorg. Chem., 38(6), 1299–1304. https://doi.org/10.1021/ic980934l