Composition And Aromas Flashcards
Primary, secondary, tertiary aromas
P: from grape: grassy, floral
S: from fermented: fruity
T: maturation in bottle: leather, wood
Why is phase of ripeness important
Causes different aromas and has different sugar levels = % alcohol influence
How much sugars is need for a wine to be table wine
Less than 5 g/L
What does the was layer around skin do
Protect berry against diseases and microbes
How much sugar is 1•Balling
10g/L
How do you determine if grapes are ripe by looking at sugar
19-24 •B
What is Chaptallisation
Sweeting of wine with only grape sugars
How much sugar produces 1% alcohol
17g
How do you measure sugar amount
Balling meter/ refractometer
What are the two most important organic acids
Tartaric and Malic
Does a decrease in acidity cause a increase or decrease in pH
Decrease in acidity causes increase in pH
Why is pH of wine crucial
Determines effectiveness of SO2
Colour stability
Microbial stability
Oxidation
