Kommission Önologie

Adopted

In-bottle pasteurisation

II.3.5.10 In-bottle pasteurisation

Definition :

Heating wine in bottles to a temperature and for a duration sufficient to prevent subsequent activity of microorganisms in the bottle.

Objective :

See 3.4.3

Prescriptions :

a)        Pasteurisation can be performed :

Treatment with β-glucanases

II.3.5.7 Treatment with β-glucanases

Classification:

  • Beta-glucanase  (β1-3, β1-6)β: processing aid

Definition :

Addition to wine of an enzyme preparation containing activities catalysing the degradation of beta-glucans produced in the grape berry by the fungus Botrytis cinerea (noble rot, grey rot).

Hot bottling

II.3.5.4 Hot bottling

Definition:

Bottling of wine heated prior to the immediate corking of the bottle.

Objectives:

a)        Biological stabilisation of the wine;

b)       Elimination of oxygen;