International Code of Oenological Practices

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Treatment with thiamin

II.2.3.3 Treatment with thiamin


  • Thiamine hydrochloride: processing aid


Definition :


Addition of thiamin to must.

Objectives :

a)        To accelerate the alcoholic fermentation.

b)       To reduce the formation, during the alcoholic fermentation, of substances capable of combining with sulphur dioxide and also to allow a reduction in the dose.

Prescriptions :

a)        According to experiments conducted to date, a dose of 60 mg/hl proves sufficient.

b)       The product shall comply with the prescriptions of the International Oenological Codex.

Recommendation of the OIV :