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 Canada of Canadian French. "Joual" is an informal variety of French spoken in working-class neighbourhoods in the province of Quebec. "Chiac" is a blending of Acadian French syntax and vocabulary with numerous lexical borrowings from English. Quebec is the only province whose sole official language is French. Today, 81.4 percent of Quebecers are first language francophones. About 95 percent of Quebecers speak French. However, many of the services the provincial government provides are available in English for the sizeable anglophone population of the province (notably in Montreal). For native French speakers, Quebec French is noticeably different in pronunciation and vocabulary from