Ingredient

Diluted To 5% Acidity With Water

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Source
Not animal-derived
Allergen
No
Role in food
Manufacturers add diluted acetic acid, commonly known as vinegar, to foods as an acidity …

What it is

This is a solution of acetic acid, a weak organic acid, that has been diluted with water to a concentration of 5% acidity. Acetic acid is produced industrially through the fermentation of ethanol by acetic acid bacteria or synthetically.

Why it's used

Manufacturers add diluted acetic acid, commonly known as vinegar, to foods as an acidity regulator, preservative, and flavor enhancer. It is frequently found in salad dressings, marinades, sauces, pickles, and condiments.

Health notes

Vinegar is generally recognized as safe (GRAS) by the FDA for use in food. While some studies suggest potential benefits for blood sugar control when consumed in moderation, evidence is mixed and more research is needed. JECFA has evaluated acetic acid and established an acceptable daily intake. It is not considered a major public health concern when used as a food ingredient.

Allergen info

Vinegar is not derived from any of the 9 FDA major allergens. It does not contain gluten.

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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.