Viniculture Flashcards
American Oak is called?
Quercus Alba
Cork tree is called?
Quercus Suber
During vinification, When, and why would a winemaker choose to use Amiloration?
-“adding water” or “water back”
to adjust acid (if picked early)
To adjust sugar (if very warm vintage)
Usually readjusted after with 1 or the other.
French Oak names?
Quercus Robur
Quercus Sessiliflora
How many bottles of wine are in a Barrique?
300 - 25 cases
How many cases of wine are in a Barrique?
25
Name 2 methods of removing or lowering alcohol post fermentation?
Spinning cones
Reverse osmosis
Name 2 ways to remove water from must?
Vacuum distillation
Reverse osmosis
What are the 6 main French forests known for oak?
Limousin Vosges Nevers Bertranges Allier Troncais
What are Thiols in wine and what are the responsible for?
Organosulphur compound.
Small amounts - fruity
Large - Earthy
Smoke & Chocolate
What is soutirage?
It is the movement of wine from one vessel to another, providing aeration and clarification as the wine is removed from its lees, or sediment
What is ‘flash détente’?
The technique allows for a better extraction of phenolic compounds[2] and wine polysaccharides.[3]
The treatment consists of heating the grapes at 95 °C (203 °F) for several minutes with vapour and then submitting them to a strong vacuum.
What is ‘foulage’?
A horizontal press squeezes the broken grapes, separating the fresh juice (must) from the skins (marc). For most red wines, this process is used to breaking up caked grapes, but the marc goes into the fermation vats with the juice.
What is a demi-muid?
600L Barrel
What is a puncheon?
450L barrel