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natamycin (pimaricin) ​

Basic Information ​

FieldContent
Chinese namenatamycin (pimaricin)
English namenatamycin (pimaricin)
INS/E numberINS 235
Functional classPreservative
Year adopted1970
Approved byAustralia/New Zealand (FSANZ), European Union (EFSA)

What is it? ​

Natamycin (pimaricin) is a polyene macrolide antifungal produced by Streptomyces natalensis fermentation; it targets fungal cell membranes and is used for surface mould control.

Source ​

Natural:那塔尔链霉菌(Streptomyces natalensis)发酵,以淀粉、蛋白胨等为培养基

Why is it used? ​

  • Potently inhibits yeasts and moulds, not bacteria
  • Controls surface mould on cheese without harming starters
  • Effective at low doses and poorly absorbed
  • Extends shelf life of dry sausage surfaces

Common Foods ​

  • Cheese rind/surface
  • Dry sausage surfaces
  • Fermented meat products
  • Some bakery surfaces

Safety ​

ADI (Acceptable Daily Intake):not specified (GMP)

Concerns:

  • 仅抑制真菌,对细菌无效
  • 限表面使用,不得作为体内防腐剂

Usage Standard ​

China:GB 2760《食品安全国家标准 食品添加剂使用标准》

International:

  • EU Regulation 1333/2008 Annex II (E 235)
  • FDA 21 CFR 172.620 (Natamycin)
  • Codex GSFA (INS 235)
  • Australia New Zealand Food Standards Code (Natamycin)
  • JECFA Monograph (ADI not specified)

In a nutshell ​

Natamycin is a fermented surface antifungal used specifically for mould control on food surfaces with high safety.

Consumer Advice ​

Natamycin (also called pimaricin) is a natural antifungal produced by Streptomyces fermentation, targeting moulds and yeasts. It is used to treat the surfaces of cheese and sausages by spraying or dipping. It is barely absorbed by the body, has a good safety record and is approved in many countries. It poses no risk for most consumers and is used at very low levels in compliant products.

Dietary Restrictions ​

  • Vegan: ✅
  • Halal: ✅
  • Kosher: ✅

Allergens ​

✅ Free from common allergens

Disclaimer ​

The information provided here is for discussion and educational purposes only. It is not medical advice or an evaluation/rating of any product or ingredient. This information may not apply to you; before using or taking any action, you should contact the manufacturer, vendor, medical, dietary, fitness, or other professionals. If you use any information provided here, you do so at your own risk.