Ingredient

Diluted With Water To 4.1% Acidity

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Source
Not animal-derived
Allergen
No
Role in food
It is used as an acidity regulator to control the pH of foods, and …

What it is

This is a solution of acetic acid, a weak organic acid, diluted with water. Acetic acid is the main component of vinegar, produced through the fermentation of ethanol by acetic acid bacteria. It provides a sharp, sour taste.

Why it's used

It is used as an acidity regulator to control the pH of foods, and as a preservative to inhibit microbial growth. It also adds a sour flavor to foods. It is commonly found in salad dressings, marinades, pickles, and other sauces.

Health notes

Acetic acid is generally recognized as safe (GRAS) by the FDA when used as a food additive. It is a common component of vinegar, which has been studied for potential effects on blood sugar and weight management, though evidence is mixed and not conclusive. International bodies like JECFA have evaluated acetic acid and its salts.

Allergen info

Not a major allergen.

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Last updated: September 28, 2026

Note: This site presents label data from USDA FoodData Central for general information. It is not medical advice. Check the package label; formulations change.