Natamycin (E235) | Natural Antifungal Preservative

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Product Introduction

Natamycin, also known as pimaricin, is a polyene macrolide antifungal compound derived from the fermentation of Streptomyces natalensis. It is widely used as a natural food preservative to inhibit the growth of yeasts and molds, while leaving bacteria unaffected—making it ideal for use in fermented foods and dairy products.

Unlike chemical fungicides, Natamycin is non-toxic, non-mutagenic, and does not alter the flavor, aroma, or texture of food. It is recognized as safe by the FDA, EFSA, and other global regulators, and is permitted in over 150 countries.

Key Features and Benefits:

Targeted antifungal activity: Effectively inhibits yeasts and molds without impacting lactic acid bacteria.

Natural origin: Produced via fermentation; suitable for organic and clean-label products.

Minimal solubility: Remains on the food surface, providing long-lasting protection.

No sensory impact: Does not affect the taste, color, or smell of the product.

Heat stable: Withstands pasteurization and baking temperatures.

Applications:

Dairy Products: Widely used on the surface of cheese, yogurt, and sour cream to prevent mold growth during storage.

Baked Goods: Applied to tortillas, bread, cakes, and pastries to extend shelf life without preservatives that alter flavor.

Meat Products: Used in cured and processed meats to prevent spoilage without affecting fermentation.

Beverages: Added to fruit juices, wines, and fermented drinks to inhibit yeast contamination.

Food Packaging Films: Incorporated into antimicrobial coatings and edible films for enhanced shelf stability.

Usage & Dosage:

Natamycin is typically applied as a surface treatment in concentrations of 200–300 ppm. It can be sprayed, dipped, or brushed onto the product. Maximum allowable usage levels vary by country and product type (e.g., EU: 1 mg/dm² for cheese surface).

Packaging & Storage:

Offered in 500g, 1kg, and 5kg aluminum foil bags or HDPE bottles with vacuum sealing. Store in a cool, dry, and dark place below 25°C. Shelf life is 24 months in unopened packaging.

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