Description
A cationic surfactant antimicrobial derived from lauric acid, L-arginine, and ethanol. Broad-spectrum activity against Gram-positive bacteria, Gram-negative bacteria, yeasts, and molds, with particular value in surface antimicrobial treatment of ready-to-eat meat and poultry where Listeria control is the principal target.
White to pale yellow powder, hygroscopic. Water-soluble. Active at very low use levels (typically 50 to 200 mg per kg of finished product), with full hydrolytic breakdown to natural amino acid and fatty acid components after ingestion.
We supply food-grade Lauric Arginate Ethyl Ester from manufacturers in China holding ISO, Halal, Kosher and other certifications relevant to the product and production.
Common market grades include Standard LAE Powder (the dominant industrial form) and pre-blended LAE solutions for direct surface-spray application on ready-to-eat meat.
Bulk and reduced-MOQ shipments. Batch-level COA covering LAE content (HPLC), related compounds, heavy metals, and microbiology.
Introduction
Lauric Arginate Ethyl Ester was developed by LAMIRSA in Spain (now part of Vedeqsa) in the late 1990s and first achieved U.S. FDA Generally Recognized as Safe status in 2005 for surface use on ready-to-eat meat and poultry. The molecule was designed specifically to deliver broad-spectrum antimicrobial activity from food-derived components with rapid hydrolytic breakdown after consumption.
Industrial production proceeds by reaction of N-lauroyl-L-arginine ethyl ester precursors under controlled conditions, followed by purification and crystallization as the hydrochloride salt. The components break down in vivo to lauric acid (a natural fatty acid), L-arginine (a natural amino acid), and ethanol.
Regulated as E243 in the EU (with limited approval at low use levels in specific food categories), classified as Generally Recognized as Safe by the U.S. FDA, approved as a USDA Listeria post-lethality treatment under 9 CFR 430, and approved by JECFA with an Acceptable Daily Intake of 4 mg per kg body weight.
The molecule's antimicrobial mechanism involves cationic surfactant interaction with negatively charged microbial cell membranes, disrupting membrane integrity and causing cell death. Activity is broad-spectrum and includes Listeria monocytogenes, Escherichia coli, Salmonella, Staphylococcus aureus, and a wide range of yeasts and molds.
Strategic positioning targets the ready-to-eat meat industry as a surface-spray Listeria control alternative or complement to lactate-diacetate blends, and the natural-positioned clean-label segment where the amino-acid-and-fatty-acid composition story carries marketing value. Cost per unit antimicrobial activity is higher than commodity preservatives, which concentrates use in high-value applications where the broad-spectrum profile and clean-label positioning justify the premium.
Where it is used
- Ready-to-eat meat and poultry surface treatment: Listeria monocytogenes control under USDA post-lethality treatment regulations, at 200 mg per kg maximum
- Beverage preservation: juice, flavored water, and tea applications
- Sauce, dressing, and dip preservation
- Bakery surface treatment: bread, cake, and tortilla shelf-life extension
- Dairy applications: cottage cheese, cheese surface treatment, and yogurt-style products
- Fresh-cut produce washing (in approved markets)
- Pet food preservation, particularly refrigerated and semi-moist products
- Cosmetic and personal-care preservation where cationic compatibility is acceptable
- Surface antimicrobial treatment in food-contact applications
Technical data
| Item | Specification |
|---|---|
| Appearance | White to pale yellow hygroscopic powder |
| LAE assay (HPLC) | ≥ 85.0% |
| Loss on drying | ≤ 8.0% |
| pH (1% solution) | 3.0 to 5.0 |
| Free L-arginine | ≤ 3.0% |
| Heavy metals (as Pb) | ≤ 10 mg/kg |
| Arsenic | ≤ 3 mg/kg |
| Total plate count | ≤ 1,000 cfu/g |
| Salmonella | Negative in 25 g |
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