Whisky

Literature References: A liquid produced by distillation of the fermented mash of malted cereal grains, which has been stored in wood containers for not less than 4 years. Straight whisky contains 47-53% abs alcohol by vol, 0.05-0.16% acid calculated as acetic acid, and 0.038-0.15% esters as ethyl acetate. Whisky marked 100 proof contains 50% ethanol (v/v). It also contains small quantities of other natural constituents (congeners), which vary according to the grain used, method of fermentation, etc., and which are largely responsible for the characteristic aroma and flavor. Blended whisky contains at least 40% ethanol (v/v) and is made from at least 20% of 100 proof straight whisky mixed with neutral spirits, q.v. The most popular blends are made from 65 vols neutral spirits and 35 vols straight whisky.