1 - What is Wine and How is it Made Flashcards
What are the two principal types of grapes
Black Grapes & White Grapes
What do black grape skins contain
Tannins and colour
What does grape pulp contain
Grape juice, which is made of water, sugar and acid
What effect do tannins have on mouthfeel
Tannins make your mouth feel dry
What are two things needed for alcoholic fermentation to take place
Sugar and yeast
What are the two products of alcoholic fermentation
Alcohol and carbon dioxide
What is the definition of yeast
The microscopic organism that eats sugar and converts it into alcohol and carbon dioxide
How is the level of alchohol in a wine usually measured
Alcohol by volume (ABV) in percentage units
Yeast + Sugar = Alcohol + _________
Carbon Dioxide
In the process of alcoholic fermentation for dry wines, what is produced when the yeast consumer the sugar in the grape juice
Alcohol, Carbon Dioxide and Heat
In the process of alchoholic fermentation for sweet wines; what are two reasons why yeast cells may die, thereby stopping alcoholic fermentation
- The yeast eat all the sugar in the solution
2. The winemaker may choose to add extra alcohol
What is the correct chronological order of the 4 stages of a grapes life-cycle starting in spring
1st stage - The vine grows small individual flowers
2nd stage - The individual flowers transform to small, hard, green grapes
3rd stage - The grapes swell with water, sugar levels rise and acid levels fall
4th stage - Flavours become riper and the grape skins change color (green to black for black grapes)
In cool climates are more black or white grape varieties grown
White
True or False: Germany is generally considered to be a warmer climate than regions of California
False
What is the winemaking process for ROSE wine
Crushing -> Fermentation -> Draining after a few hours -> Maturation -> Bottling
