Deck 1 Flashcards
At the basic level, what is wine?
Fermented grape juice.
For fermentation to occur, what must be present
Yeast, as well as sugars
What is done to grapes to release their juice
They are crushed
What are the two dominant types of grapes for making wine
White grapes and black grapes
What do black grape skins contain
Tannin, as well as colour and flavour compounds
How do tannins feel on your palate
Dry and astringent
What colour is the skin of ripe, white grapes
Golden
The pulp of the grape contains
water, sugar and acid
What does ABV stand for?
Alcohol by volume
This is the measure of how much alcohol is in wine, expressed as a % percentate
What are the by-products of fermentation
Alcohol (ethanol) and carbon dioxide CO2
What are the microscopic organisms responsible for fermentation
Yeast
At what percentage does alcoholic fermentation usually stop?
15%.
Most yeast cannot survive at a percentage higher than this.