Chapter 7 - Common Elements in Winemaking and Maturation

What are the different winemaking approaches?

Two extremes:

1. Controlling each part of the process as much as possible

2. The wine is produced with as little human intervention as possible

In the middle, there are shades 

What are the parts of the grapes?

1. Seeds

2. Stems

3. Skin

4. Pulp

What do seeds contain?

Tannins and bitter oils

What do stems contain?

Tannins

What does the skin contain?

Tannins

Color

Flavour compounds that give the grape its signature character

What does the pulp contain?

Water

Sugar

Acids (tartaric, malic)

What is anaerobic winemaking?

When you try to keep the grapes and the juice without contact with oxygen.

What are the practices fo anaerobic winemaking?

1. add antioxidant (sulfur dioxide)

2. Pick up grapes at night

3. Keep the grapes chill

4. Use airtight equipment with Carbon Dioxide or Nitrogen

Why would a winemaker pick up the grapes a night to avoid oxidation?

The effect od oxygen is reduced because chemical reactions are slower in cool temperatures