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Mother of vinegar

 
Food Lover's Companion: mother of vinegar

A slimy, gummy substance made up of various bacteria-specifically Mycoderma aceti-that cause fermentation in wine and cider and turn them into vinegar. Known as mère de vinaigre in French and sometimes simply as "mother" in English, its growth is best fostered in a medium-warm environment (60°-85°F). The mother should be transferred to a new mixture or discarded once the liquid has turned to vinegar.

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Mother of vinegar in a cup

Mother of vinegar is a substance composed of a form of cellulose and acetic acid bacteria that develops on fermenting alcoholic liquids, which turns alcohol into acetic acid with the help of oxygen from the air. It is added to wine, cider, or other alcoholic liquids to produce vinegar.

Mother of vinegar can also form in store-bought vinegar if there is some non-fermented sugar and/or alcohol contained in the vinegar. While not appetizing in appearance, mother of vinegar is completely harmless and the surrounding vinegar does not have to be discarded because of it. It can be filtered out using a coffee filter, used to start a bottle of vinegar, or simply left in and ignored.

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Food Lover's Companion. Food Lover's Companion. Copyright © 2001 by Barron's Educational Series, Inc. All rights reserved.  Read more
Wikipedia. This article is licensed under the Creative Commons Attribution/Share-Alike License. It uses material from the Wikipedia article "Mother of vinegar" Read more