International Code of Oenological Practices

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Treatment with polyvinylpolypyrrolidone - PVPP

II.3.4.9 Treatment with polyvinylpolypyrrolidone (PVPP)


  • Polyvinylpolypyrrolidone: processing aid


Addition to wine of polyvinylpolypyrrolidone (PVPP).

Objectives :

To reduce the content of tannin and other polyphenols in the wine with a view:

  • To overcoming the tendency to brown,
  • To reducing the astringency,
  • To correcting the colour of slightly discoloured white wine.

Prescriptions :

a)        The dose of PVPP used shall not exceed 80 g/hl.

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

Recommendation of OIV :