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 Lebanon French language in Lebanon French language in Lebanon is the second language of the country, also a law determines the cases in which the French language is to be used within government, and is often used as a prestige language for business, diplomacy and education. The use of the French language is a legacy of the time of the French Crusades and France's historic ties to the region, including its League of Nations mandate over Lebanon following World War I; as of 2004, some 20% of the population used French on a daily basis. Formerly under French mandate, independent Republic