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Purogene® Potato and Purogene® Professional Potato

Chlorine Dioxide Solution for Potato Post-Harvest and Storage Sanitation

Purogene® Potato and Purogene® Professional Potato are liquid chlorine dioxide solutions developed by Kemin Bio Solutions to deliver fast-acting, broad-spectrum microbial control for post-harvest and storage sanitation in potato operations. Formulated with stabilized sodium chlorite and activated with a food-grade GRAS acid, these solutions generate chlorine dioxide —a powerful oxidizer effective against key storage pathogens such as Phytophthora infestans (Late Blight), black rot, soft rot, and other tuber disease-causing organisms.

Purogene Potato

Kemin’s solutions are engineered for precise, controlled activation, generating free chlorine dioxide on-site using manual or automated dosing systems. This tailored approach ensures optimal chlorine dioxide performance—maximizing antimicrobial impact while minimizing chemical waste and equipment corrosion.

Available in two concentrations and compatible with automated systems, Purogene Potato and Purogene Professional Potato support efficient and scalable microbial control strategies that help protect tuber quality, reduce spoilage, and extend storage shelf life.

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Features and Benefits

  • Controls key post-harvest pathogens affecting potato quality
  • Available in 2% and 5% chlorine dioxide to match operational needs
  • Broad pH range performance
  • Low-corrosive formulation, safe for equipment when used as directed
  • Compatible with manual and automated application systems
  • Supports longer shelf life and reduced spoilage
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Applications 

  • Pre-Storage Treatment 
  • Storage Environment Management 
  • Post-Harvest Disease Control 
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Packaging Options 

  • Drums: 5, 55 gallons
  • Tote: 330 gallons 
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Mode of Action 

When activated, Purogene Potato and Purogene Professional Potato generate chlorine dioxide (ClO₂)—a potent oxidizer that selectively targets and disrupts microbial cells.¹

Chlorine dioxide penetrates cell walls and oxidizes proteins, enzymes, and nucleic acids, interfering with essential metabolic processes and leading to cell death.² Its neutral charge and small molecular size make it highly effective against storage pathogens and other tuber disease causing organisms.³

Free chlorine dioxide, the unbound and bioactive form in solution, delivers rapid kill and residual antimicrobial activity. It stays active longer than many sanitizers, providing continued protection and reducing the risk of microbial rebound in storage environments.¹,⁴

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 use at your facility.

Ready to Optimize Potato Storage Sanitation?

Contact Kemin today to explore how Purogene Potato solutions can help control microbial growth, extend storage life, and protect tuber quality throughout your operation.

References

1. Gordon, G., & Rosenblatt, D. H. (2005). Chlorine dioxide: The current state of the art. Journal - American Water Works Association, 97(6), 107–121.

2. Gómez-López, V. M., Rajkovic, A., Ragaert, P., Smigic, N., & Devlieghere, F. (2009). Chlorine dioxide for minimally processed produce preservation: A review. Trends in Food Science & Technology, 20(1), 17–26. https://doi.org/10.1016/j.tifs.2008.09.003

3. Benarde, M. A., Israel, B. M., Olivieri, V. P., & Granstrom, M. L. (1965). Efficiency of chlorine dioxide as a bactericide. Applied Microbiology, 13(5), 776–780. https://doi.org/10.1128/am.13.5.776-780.1965

4. Environmental Protection Agency. (2001). Food additive petition for acidified sodium chlorite (ASC), 21 CFR 173.325. U.S. Food and Drug Administration.