RESOLUTION OENO 8/97

CALCIUM TARTRATE TREATMENT

THE GENERAL ASSEMBLY,

AFTER HEARING the papers of the expert group « International Code of Oenological Practices »,

DECIDES:

ON THE PROPOSAL of Commission II « Oenology », to include in the  « International Code », the following definition :

PART II

Chapter 3: Wines

Calcium tartrate treatment

Definition:

Addition of calcium tartrate to wine.

Objective:

to contribute to the tartric stabilisation of wine by decreasing the content of potassium hydrogenotartrate and calcium tartrate.

Prescriptions:

1. The dose used must be inferior to 200g/hl.
2. The treatment is carried out by calcium tartrate addition, stirring and artificial cooling of the wine followed by the separation with crystals formed by physical means.
3. Calcium  tartrate must conform to the prescriptions of the « International Oenological Codex ».

Recommendation of the O.I.V.:

Accepted.