Acids in wine responsible for the sour taste of vinegar. During fermentation, activity by yeast cells naturally produces a small amount of acetic acid. If the wine is exposed to oxygen, "Acetobacter" bacteria will convert the ethanol into acetic acid. This process is known as the “acetification” of wine and is the primary process behind wine degradation into vinegar. An excessive amount of acetic acid is also considered a wine fault. A taster's sensitivity to acetic acid will vary, but most people can detect excessive amounts at around 600 mg/l. Ascorbic acid, also known as vitamin C, is found in young wine grapes
French language in the United States the nation via immigration from Francophone regions. Today, French is the second most spoken language (after English) in the states of Maine and Vermont, and the third most spoken (after English and Spanish) in the states of Louisiana, Connecticut, Rhode Island, and New Hampshire. As a second language, French is the second most widely taught foreign language in American schools, colleges and universities. While the overwhelming majority of Americans of French ancestry grew up speaking only English, some enroll their children in French heritage language classes. A total of 10,804,304 people claimed French ancestry in the 2010 census although other