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
A Word from Our Sponsor performance and died shortly after. A memorial was made to her in the theatre, and a trust in her name was set up to sponsor new plays. A Word from Our Sponsor A Word from Our Sponsor is a 1995 musical by Alan Ayckbourn and John Pattison. It was the final Ayckbourn play to be premièred at the Stephen Joseph Theatre's old Westwood site. It is about a vicar, who is tempted by the devil (Valda/Valder) offering a sponsorship deal for dubious return favours. This play was one of Ayckbourn's less successful works. Just before the play was transferred to