Apple cider vinegar

Vinegar made from fermented apple juice

Apple cider vinegar, or cider vinegar, is a vinegar made from cider, and used in salad dressings, marinades, vinaigrettes, food preservatives, and chutneys. It is made by crushing apples, then squeezing out the juice. The apple juice is then fermented by yeast which converts the sugars in the juice to ethanol. In a second fermentation step, the ethanol is converted into acetic acid by acetic acid-forming bacteria, yielding cider vinegar. Acetic acid and malic acid combine to give this vinegar its sour taste.

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