RESOLUTION OIV-OENO 444-2016

USE OF FILTER PLATES CONTAINING ZEOLITES Y-FAUJASITE TO ADSORB HALOANISOLES

THE GENERAL ASSEMBLY,

In view of Article 2, paragraph 2 IV of the Agreement of 3 April 2001 establishing the International Organisation of Vine and Wine,

Considering the work of the “Technology” Expert Group,

Considering the favourable opinion of the “Food Safety” Expert Group,

Decides, following a proposal from the Commission II “Oenology”, to introduce into Part II, Chapter 3 of the International Code of Oenological Practices the following oenological practices and treatments:

Part II

Chapter 3: WINES

Use of filter plates containing zeolites Y-faujasite to adsorb haloanisoles

Definition

Treatment using a filter plate containing zeolites Y-faujasite applied during filtration.

Objectives

1. To reduce the concentration of haloanisoles responsible for off-flavour in wines, below their sensory perception threshold.

Prescriptions

1. the treatment should be carried out on clarified wines;
2. the filter plates should be cleaned and disinfected before filtration;
3. the application of zeolites Y-faujasite should comply with the prescriptions in the International Oenological Codex.

OIV Recommendation:

Admitted