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E270Lactic acid

Why it’s used

Acidity regulator with antimicrobial properties, used to add tartness, control pH, and help preserve fermented foods, dairy products, and beverages.

Other names

2-Hydroxypropanoic acid

Diet flags

Vegan, passesVegetarian, passes

Regulatory status

USAAllowed

GRAS as a direct food ingredient for use as an antimicrobial agent, curing/pickling agent, flavoring, pH control agent, and solvent, per 21 CFR 184.1061, in foods generally excluding infant foods and infant formula, at levels not exceeding current good manufacturing practice. Source (2026-07-22)

EUAllowed

Authorized EU-wide (Group I) under Regulation (EC) No 1333/2008 Annex II, generally at quantum satis; EFSA has not set a numerical Acceptable Daily Intake. For infant formula and certain infant foods, only the L-(+) form is permitted. Source (2026-07-22)

Found in these products

1 product in our database contains E270.

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