18 Questions
What is the minimum percentage of alcohol that an alcoholic beverage can have?
0.5%
Which of the following is NOT a typical starting material for fermentation?
Meat
What is the primary function of yeast in fermentation?
To break down sugar into CO2 and alcohol
What is the process of separating alcohol from a fermented liquid called?
Distillation
Which of the following is an example of a fermented beverage?
Beer
What is the approximate alcohol content of a typical fermented beverage?
4-14%
What is the primary source of color in a red wine?
The red or black or purple skins
What is the purpose of adding sulfur dioxide during winemaking?
To kill off the wild yeasts
What is chapitalization?
The addition of extra sugar to the grapes before fermentation
What is the result of one molecule of sugar being broken down by yeast during fermentation?
Two molecules of alcohol and two molecules of carbon dioxide
How long does fermentation typically continue?
One to two weeks
What is the minimum alcohol content required to kill the yeast?
14 percent
What happens to the wine if the sugar has been completely consumed by the yeast during fermentation?
The wine becomes dry
What is the result of pressing the skins during the making of red wine?
The wine becomes rich in extracts such as tannin
What is the purpose of racking in winemaking?
To remove the residues from the wine
What is the minimum alcohol content of beer by volume according to federal regulations?
½ of 1 percent
What is the term used to describe the process of beer making according to the U.S. Standard of Identity?
Malt beverage production
What is the result of the wine falling bright during the maturing process?
The wine becomes clear
Learn about the process of making wine, from crushing grapes to fermentation. Discover how the skins of grapes impact the color and character of red wine and rosé.
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