7.8 - Enzymes in alcoholic-drink production
Learn what an enzyme is and connect biological catalysis to the production of alcoholic drinks.
Enzymes and living cells
An enzyme is a biological catalyst: a catalyst made by living cells. It speeds up a chemical reaction without being used up overall.
An enzyme is not itself a living organism. Yeast is a living organism; yeast cells contain enzymes. Keep the organism and the catalyst distinct.
Enzymes in alcoholic drinks
Enzymes are used in the production of alcoholic drinks such as beer and wine. Yeast enzymes catalyse reactions during fermentation, in which sugars are converted into ethanol and carbon dioxide. Ethanol is the alcohol in these drinks.
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