II.2.1.22 Fining using chitosan

Classification:

• Chitosan: processing aid

Definition:

Addition of chitosan of fungal origin for the purpose of fining musts

Objectives:

• To facilitate settling and clarification
• To carry out a treatment to prevent protein haze

Prescriptions:

a)        The doses to be used are determined after preliminary testing. The recommended dose used should be less than or equal to 100 g/hl.

b)       Chitosan must comply with the requirements of the International Oenological Codex.

Recommendation of the OIV

Admitted