Which of the Following Products of Beer Making and Winemaking

Question

Which of the following products of beer making and winemaking result in off-flavors?
A) esters
B) ethanol
C) acetaldehyde
D) long-chain alcohols
E) amino acids

Accepted Answer

Acetaldehyde is a byproduct of both beer and wine making and can result in off-flavors, such as a green apple or fresh-cut grass taste.