Vinger
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What it is
Vinegar is a sour liquid made by fermenting ethanol (alcohol) into acetic acid. It is produced from a variety of sources, including grains, fruits, and wine. The process typically involves two stages: first, yeast converts sugars into alcohol, and then bacteria convert the alcohol into acetic acid.
Why it's used
Vinegar is commonly used as a flavoring agent and preservative in foods. Its acidity adds tanginess to salad dressings, marinades, sauces, and pickled vegetables. Manufacturers also use it to help preserve food and control microbial growth.
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, evidence is mixed and more research is needed. International bodies like JECFA have evaluated vinegar, but did not set a specific numeric limit for its consumption. It is generally considered safe when consumed in amounts typically found in food.
Allergen info
Vinegar is not derived from any of the 9 FDA major allergens. It does not contain gluten unless derived from gluten-containing grains and not sufficiently purified.