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Ethyl Lauroyl Arginate

Also known as: E243

Moderate concern

EFSA established an ADI of 0.5 mg/kg bw/day for ethyl lauroyl arginate; at recommended use levels it is considered safe but exposure can exceed the ADI in high-consuming children, prompting restricted authorization in the EU.

Found in

1 products

E-number

E243

Type

preservative

What it is

Ethyl lauroyl arginate (ethyl-N-alpha-lauroyl-L-arginate hydrochloride, LAE) is a cationic surfactant derived from lauric acid, L-arginine, and ethanol used as an antimicrobial preservative.

Antimicrobial preservative effective against bacteria, yeasts, and molds.

Why it's flagged

potential ADI exceedance in high-exposure subgroups (e.g., children)

What regulators actually say

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Regulatory status

United States — FDA

GRAS for use as an antimicrobial in specified food categories (GRN 164).

European Union — EFSA

Authorized with restrictions; ADI of 0.5 mg/kg bw/day established by EFSA.

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