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Ultra CURB® for Bioethanol Production

Targeted Mold and Wild Yeast Control for Co-Product Protection

Ultra CURB® is a high-concentration microbial control solution designed to prevent spoilage in co-products of bioethanol production. Available in both liquid and dry formulations, Ultra CURB contains a powerful blend of four organic acids—propionic, acetic, benzoic, and sorbic—to effectively combat wild yeast and mold contamination. By protecting the quality of co-products, Ultra CURB helps maintain process efficiency, regulatory compliance, and profitability.

Ultra CURB
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Features and Benefits

  • Controls wild yeast and mold in distiller’s grain
  • Protects grain quality without increasing product losses
  • Reduces microbial contamination–related issues
  • Outperforms single‑acid solutions like propionic acid alone
  • Minimizes spoilage to support overall profitability
  • Features a concentrated blend of four organic acids
  • Provides broad-spectrum activity against major spoilage organisms
  • Available in liquid and dry formats for flexible plant integration
  • Works in both wet and dry milling ethanol plants
  • Performs reliably under high‑risk, warm, and humid conditions

Mode of Action

Ultra CURB® works by lowering pH and disrupting the metabolic function of spoilage organisms. Its organic acid blend creates a hostile environment for wild yeasts and molds by inhibiting key biological pathways. This reduces microbial growth in bioethanol co-products and helps ensure process stability without relying on antibiotics.

Application and Performance

Ultra CURB® is ideal for use in:

  • Wet and dry milling bioethanol facilities
  • Finished co-products vulnerable to microbial spoilage
  • Warm or humid climates where mold and yeast pressure are high
  • Systems requiring flexibility in application—whether through liquid dosing or dry mixing

Actual dosage should be determined based on your plant's process parameters and production goals. Kemin’s technical team can help assess the optimal application rate.

Backed by Kemin Expertise

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Technical Services

Our experts collaborate with your team to optimize enzyme 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.

Protect Co-Products with Ultra CURB™

Contact Kemin today to learn how UltraCURB® can deliver targeted microbial control, protect co-products, and reduce spoilage.