Harvest

Question 1

What is the definition of ripeness

Answer 1

• the time at which the combination of the sugar, acid, tannin and aroma ripeness is at its most favourable
• This will depend on wine style, grape variety, the preferences of the winemaker, in order to produce a balanced wine.
• Focus on tannin/aroma ripeness as sugar, acid & alcohol can be adjusted

Question 2

What grape components will be measured at harvest

Answer 2

Acidity (& PH Levels)
Sugar
Aroma & Tannin Ripeness

Question 3

What is titration

Answer 3

Titration is a method
of finding out the amount of a substance in a solution by gradually adding measured
amounts of another substance that reacts in a known way

Question 4

What instrument is used to measure sugar levels

Answer 4

refractometer

Question 5

What instrument is used to measure sugar, acid, colour development

Answer 5

Infrared Spectrocopy

Question 6

What does a Infrared spectrocopy do

Answer 6

Uses light absorption and reflection patterns of grapes to determine composition. Colour, sugar & acid

Question 7

what is Potential alcohol

Answer 7

final amount of alcohol that would be created by fermenting all the sugar in grape must into alcohol

Question 8

Why have harvesting dates recently changed?

Answer 8

• a generally warmer climate
• better viticulture
• focus on aroma and tannin ripeness