Ch 17 : Producing Wines With Residual Sugar

Question 1

What are the options for creating sweet wines?

Answer 1

Concentrating grape must
Drying grapes on vine
Drying grapes off vibe
Noble rot
Freezing
Stopping ferment
Blending a sweet component

Question 2

What is laccase?

Answer 2

An enzyme released by Botrytis affected wines which can oxidise wine/must components and is fairly SO2 resistant.

Solved through chilling, high levels of SO2, and inert gasses

Question 3

What sweetening methods do recioto dei valpolicella and Vin Santo use?

Answer 3

Appassimento. Drying off the vine

Question 4

How is grape must concentrated?

Answer 4

The reduction of water

Question 5

What sweetening technique do juraçon wines classically use?

Answer 5

Cane cut: drying on the vine after the cane is broken off from the trunk/cordon but still attached to the trellis

Question 6

What is cyroextraction

Answer 6

Picking grapes to freeze at the winery and pressing them like an ice wine to remove water and concentrate must

Question 7

What is a recirculation sprayer?

Answer 7

A chemical spraying system that uses up to 50% less chemicals by catching, filtering, and recirculating the spray that misses the target

Question 8

What is a vine soils ideal pH?

Answer 8

Btw 6-7 pH