Natamycin Preservative — E235 / CAS 7681-93-8

Description

1. Product Overview
Natamycin (E235, CAS 7681-93-8) is a high-performance, naturally derived antifungal preservative widely used in global food and beverage preservation systems. It is primarily applied to inhibit the growth of mold and yeast on the surface of food products, especially in dairy, bakery, and processed food industries. The product delivers exceptional preservation efficiency at extremely low dosage levels, ensuring extended shelf life without altering taste, texture, or nutritional integrity. Strategically, Natamycin is a critical clean-label alternative to synthetic preservatives, aligning with increasing global demand for safer, regulatory-compliant food protection solutions.

2. Key Specifications & Technical Characteristics

• Chemical Name: Natamycin
• CAS Number: 7681-93-8
• E Number: E235
• Active Ingredient: Natamycin (typically ≥95% purity)
• Form: Fine crystalline powder
• Appearance: White to off-white powder
• Odor: Slight characteristic odor
• Solubility: Practically insoluble in water
• Stability: Stable under dry, cool storage conditions; sensitive to direct light exposure
• Packaging Options:
  • 1 kg aluminum foil bags (laboratory/retail grade)
  • 5 kg / 25 kg fiber drums (industrial grade)
• Shelf Life: 24 months under recommended storage conditions

3. Core Industrial Applications
Natamycin is extensively used across the global food preservation industry as a surface antifungal agent. Its primary applications include:

• Dairy Industry: Surface treatment of cheese to prevent mold formation during aging and storage
• Bakery Products: Extension of shelf life in packaged bread, cakes, and pastries by inhibiting surface yeast growth
• Beverage Industry: Stabilization of fruit-based and fermented beverages against spoilage microorganisms
• Processed Foods: Protective coating for ready-to-eat foods requiring extended refrigerated shelf life

Compared to synthetic preservatives, Natamycin offers superior targeted antifungal activity without penetrating food matrices, ensuring product safety while maintaining organoleptic quality and regulatory compliance.

4. Competitive Advantages

• High Potency at Low Dosage: Effective at ppm-level concentrations, reducing overall input cost
• Clean-Label Compliance: Naturally derived, widely accepted in global food safety frameworks
• Targeted Action: Inhibits mold and yeast without affecting beneficial bacteria in fermented products
• Quality Consistency: Manufactured under strict quality control systems ensuring batch-to-batch uniformity
• Supply Reliability: Scalable production capacity for long-term industrial contracts
• Regulatory Acceptance: Approved in multiple international food safety jurisdictions
• Technical Documentation Support: Full COA, MSDS, and regulatory dossiers available for compliance assurance

5. Commercial & Supply Information

• Minimum Order Quantity (MOQ): 20 MT (bulk industrial supply)
• Standard Loading Capacity:
  • 20FT container: 10–12 MT
  • 40FT container: 20–25 MT (subject to packaging configuration)
• Supply Model: Bulk export-ready packaging with flexible long-term contract supply options
• Logistics: Optimized for international shipment with moisture-protected, sealed drum packaging