International Code of Oenological Practices

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II.2.1.11 Filtration

Definition :

Physical process by which must is passed through appropriate filters that retain particles in suspension.

Objective :

Clarification of the must.

Prescriptions :

a)        Filtration is practised with or without additives.

b)       Additives used, such as diatomaceous earth and cellulose paste and powder, shall comply with the prescriptions of the International Oenological Codex

Recommendation of OIV:

Refer to the practices and treatments mentioned above.