Metodo Martinotti

Italian · tank (autoclave) method

Martinotti method (autoclave) is the Italian name for second fermentation in tank; the Asti disciplinare requires at least one month for Asti made this way.1,2

The process is the same as cuve close or Charmat: fermentation in hermetically closed tanks, then clarification and isobaric bottling.2 Asti spumante is made sparkling by natural fermentation in autoclave, and the one-month minimum includes bottle refinement.3

Prosecco DOC Rosé requires a Martinotti/Charmat second fermentation of at least 60 days.4 Prosecco DOC spumante must be made in autoclave.5 See tank method, Asti method, Asti and Prosecco DOC.

See also

Tank methodMethodsCuve closeGlossaryAsti methodMethodsAstiRegionsProsecco DOCRegions

Sources

  1. Regione Piemonte. Disciplinare di produzione DOCG Asti (2025-01)
  2. OIV International Code of Oenological Practices, II.4.3 Bulk second fermentation in a closed tank (II.4.3.1-II.4.3.5) and II.4.4.1 continuous method
  3. Regione Piemonte. Disciplinare di produzione DOCG Asti (2025-01)
  4. Consorzio di Tutela della DOC Prosecco. Prosecco DOC Rosé technical sheet (2024-02)
  5. Gazzetta Ufficiale (copy hosted by unionalimentari.com). Decreto 8 agosto 2019, disciplinare DOP Prosecco (GU n. 199, 26 August 2019), reproduction (2019-08-08)

Facts checked on 2026-10-19