Ingredient · Updated

Acetic Acid

Neutral in 3 Flagged in 1

Found in 4 products

What is Acetic Acid?

Acetic Acid is a colorless organic compound best known for giving vinegar its sour taste and pungent smell. It is often produced through the fermentation of ethanol by acetic acid bacteria.

In food products, acetic acid is used as a preservative and flavoring agent. It's recognized for its antimicrobial properties, which help inhibit the growth of foodborne pathogens. Health-wise, acetic acid is generally considered safe when used in moderation, though excessive consumption can lead to gastrointestinal irritation.

When you see acetic acid on a label, it's typically used to preserve or add flavor to foods and should not raise immediate health concerns as part of a balanced diet.

Commonly found in: pickles, salad dressings, sauces, canned vegetables, processed baked goods

What to watch

  • High concentrations can cause throat or stomach irritation.
  • May contribute to dental erosion if consumed excessively.

Benefits

  • Acts as a natural preservative due to its antimicrobial properties.
  • Adds a distinct sour flavor that can enhance the taste of food products.
FDA

Recognized as Generally Recognized as Safe (GRAS) for use in foods.

Research

While generally safe, some studies suggest large doses can irritate the gut.

Vegan

Derived from plant sources, making it suitable for vegan diets.

Sources: Acetic acid

Scout's take

Flavoring acid.

The case for

Acts as a preservative and enhances flavor with a tangy taste.

from the analysis of Essential Baking San Francisco Style Sourdough, Artisan Bread

More from Scout's analyses

Part of Acid Blend. Industrial acid blend for pH control. Phosphoric acid is the same acid used in cola beverages and is linked to reduced bone mineral density with chronic exposure. An unusual and unnecessary additive in hummus.

from the analysis of Trader Joe's Classic Hummus

Acetic acid is used as a preservative and flavoring agent in bread. It helps inhibit mold growth and adds a tangy flavor. This ingredient is naturally found in vinegar and is safe for consumption.

from the analysis of Essential Baking San Francisco Style Sourdough, Artisan Bread

All 4 products with Acetic Acid

Where Acetic Acid shows up

Higher-scoring picks without Acetic Acid

Products from the same categories whose analyzed ingredient list does not include Acetic Acid, scoring 80 or above.

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