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Keeper® and Keeper® Professional for Red Meat Processing

In the production of red meat products, the safety and shelf-life of these products are important concerns. Microbiological contaminants affecting the safety of red meat products include Campylobacter, E. coli, Listeria, Salmonella, and others. Kemin Bio Solutions offers Keeper® and Keeper® Professional products for red meat processing. Keeper products are antimicrobial agents used to eliminate pathogens, extend shelf life, and improve the quality of red meat products.     

Keeper Products

Keeper and Keeper Professional are antimicrobial products for red meat processing. Keeper products are acidified sodium chlorite that generate chlorine dioxide once activated with any food grade Generally Recognized as Safe (GRAS) acid to acidify sodium chlorite. 

  • Keeper - contains 3.35% sodium chlorite
  • Keeper Professional - contains 8.35% sodium chlorite

Description

Keeper products for red meat are effective against Campylobacter, E. coli, Listeria, Salmonella, and other pathogens of concern (Figure 1). Keeper products for red meat have shown to be more effective than other common antimicrobial agents including quaternary ammonia, iodophors, peracetic acid, and sodium hypochlorite (chlorine) (Figure 2).

bacteria vs keeper

Figure 1. Treatment with 100 ppm Keeper for 1 minute resulted in a >99.9% reduction in Campylobacter, E. coli O157:H7, Listeria, and Salmonella compared to untreated samples.

bacteria s biocides

Figure 2. Concentration of Keeper compared to other common biocides to reduce E. coli O157:H7 and S. aureus by 99.9%.

Applications

Keeper Red Meat Processing Application Chart

Features

  • Two convenient concentrations: 
    • Keeper: 3.35% acidified sodium chlorite
    • Keeper Professional: 8.35% acidified sodium chlorite
  • Broad spectrum antimicrobial activity 
  • Effective over a broad pH range (1-10) 
  • Can be used at or near neutral pH
  • Prevents the formation of slime
  • Low toxicity 
  • Low corrosion potential 
  • No significant chlorination or trihalomethane formation 
  • Can be used with automated delivery systems 

Approvals

  • U.S. Food and Drug Administration (21 CFR 173.325)
  • U.S. Department of Agriculture Food Safety and Inspection Services Directive 7120
  • Food Contact Notification (FCN) 450
  • Orthodox Union Kosher
  • OMRI Listed® for organic use
  • Halal certified

Services 

Activation of Keeper products for red meat processing can be applied manually or is offered with a variety of user-friendly, cost-effective application systems that are safe and eliminate the need for manual mixing. Test kits are also available to conveniently monitor concentrations of Keeper products in process water used in red meat production. Our Kemin Application Solutions team works with you to develop application solutions to provide support to ensure our liquid products are applied safely, accurately, and efficaciously.  

The Kemin Customer Laboratory Services team provides dedicated laboratory and analytical support to our customers to ensure Kemin ingredients meet your performance goals. 

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