RESOLUTION OENO 4/2001

TREATMENT OF WHITE WINES WITH YEAST MANNOPROTEINS

THE GENERAL ASSEMBLY,

GIVEN THE WORKS of the Group of Experts “Wine Technology” and “International Code of Oenological Practices”,

DECIDES:

ON PROPOSAL of Commission II “Oenology” to introduce in the “International Code of Oenological Practices” the following oenological practices and treatments:

PART II

Chapter 3: Wines

Treatment of white wines with yeast mannoproteins

Definition:

Treatment of white wines by using mannoproteins from yeast wall degradation.

Objective:

Improve stability of wine only with regards to tartaric salts and proteins.

Prescriptions:

1. The doses that should be used will be established by the person in charge of the treatment;
2. Mannoproteins must comply with the provisions of the International Oenological Codex.

Recommendation of OIV:

Accepted.