Wine production Flashcards
From which 2 parts of a grape is flavour to be found?
Skins
Pulp
Black grape with low tannin and low acidity x1. (clue: likes warm climate and so has low acidity)
Grenache/Garnacha
Where in a grape is sugar to be found?
The pulp
Most vineyards are located between what latitudes?
30° and 50° Not too cold and not too hot. In both hemispheres.
What 2 weather hazards can destroy a vine’s grapes, or potential for grapes (buds)?
Hail
Frost
Cloud, fog and mist have what effect on ripeness levels?
Slows down ripening as less sunlight for photosynthesis.
Which word is used to represent the time when grapes change colour during ripening?
Veraison
Which grape ripens successfully in warm climates only?
Grenache
What is contained within grape skins that have an influence on wine style?
Tannins
Colour
Flavour
What might be used to provide water in dry wine regions?
Irrigation
Which 2 white grapes grows well in cool, moderate and warm climates?
Chardonnay
Chenin Blanc
What happens to acidity levels as grapes ripen?
The acidity drops (becomes riper tasting as the acidity drops and sugar levels increase).
What word describes the creation of sugars from carbon dioxide (CO2) and water using light energy?
Photosynthesis
Where in a grape is acidity to be found?
The pulp
Colour of aged red wine (before tawny)?
Garnet
Is the quality of wine defined by the method of harvesting?
No. High quality wine can be made from both hand harvested and machine harvested grapes.
For the machine harvested grapes the quality grapes can be selected at the winery.
Colour of aged white wine?
Gold to Amber
When is hand harvesting essential?
On steep slopes.
When whole bunches of grapes are required.
When selection of noble rotted grapes is required.
As some white wines mature in the bottle they can result in what tertiary flavours? x3
Dried apricot, honey, nuts (and spice) (Petrol for Riesling)