Commission Oenology

Adopted

Carbon dioxide use

II.6.1.15 Carbon dioxide use

Definition:

Addition of carbon dioxide.

Objectives:

a)        Protecting aromatised wines, beverages based on vitivinicultural products or wine-based beverages against oxidation by displacing oxygen

Mixing of white wines or musts with red wines or musts

II.6.1.14 Mixing of white wines or musts with red wines or musts

Definition:

Mixing of white wines or musts with red wines or musts.

Objectives:

Adjusting the final colour of aromatised wines, beverages based on vitivinicultural products and wine-based beverages

Obtaining the desired colour of aromatised wines, beverages based on vitivinicultural products and wine-based beverages.

Refermentation

II.6.1.13 Refermentation

Definition:

Addition of fermentable sugars and monitoring of fermentation by means of selected yeasts.

Objective:

Increasing the alcoholic strength and causing capture of foam.

Prescription:

Cryoconcentration

II.6.1.12 Cryoconcentration

Definition:

A method of concentrating base wines by means of freezing and physical removal of ice thus formed.

Objectives:

Increasing the volumetric alcoholic strength and the structure of aromatised wines, beverages based on vitivinicultural products and wine-based beverages.

Prescription:

Charcoal treatment

II.6.1.10 Charocoal treatment

Definition:

Treatment with oenological charcoal by addition or by passage in column.

Objectives:

Giving to aromatised wines, beverages based on vitivinicultural products and wine-based beverages the desired specific organoleptic characteristics.

Prescription:

Filtration

II.6.1.8 Filtration

Definition:

Physical process in which aromatised wines or wine-based beverages flow through filters that trap suspended particles or substances in solution or materials in colloid state.

Objectives:

Chemical deacidification

II.6.1.7 Chemical deacidification

Definition:

Lowering of titration acidity and real acidity (pH increasing) of aromatised wines, beverages based on vitivinicultural products and wine-based beverages by means of potassium tartrate, potassium hydrogen carbonate, calcium carbonate containing, if necessary, small amounts of double calcium L-tartaric and L-malic acid salt.

Objectives:

Chemical acidification

II.6.1.6 Chemical acidification

Definition:

Increasing titration acidity and real acidity (pH lowering) of aromatised wines, beverages based on vitivinicultural products and wine-based beverages by means of organic acids addiction.

Objectives:

Giving the desired tasting properties to the product.

Prescription: