The Martinotti method, also called Charmat or the tank method, gives Prosecco DOC spumante its bubbles through a second fermentation in a sealed pressure tank. Yeast produces carbon dioxide, which stays in the wine under pressure. Three names, one useful idea: keep the gas in the wine.
You read Martinotti on one explanation and Charmat on another. Just when you think you have understood how your Prosecco is made, it appears to have acquired a different method.
In this context, both names refer to the tank method. Follow the base wine into the tank and the sequence becomes much easier to picture.
How the Martinotti method uses a pressure tank
The starting point is base wine, already made through fermentation. Sugar and yeast support another fermentation in a pressure-resistant tank, often called an autoclave.
Yeast produces carbon dioxide. Because the tank is sealed, that gas is retained under pressure rather than simply escaping. The wine is then prepared and bottled with its sparkle preserved.
The tank is doing an essential job in the winemaking. It is not merely a waiting room for finished bottles.
Why does the vessel matter?
Champagne’s traditional method puts the second fermentation in individual bottles. The tank method puts it in a sealed tank. Both use fermentation, but the setting and subsequent processes differ.
Our Prosecco and Champagne guide covers the broader comparison. A method helps explain character; it is not a complete verdict on what you will enjoy.
Does any tank-fermented wine count as Prosecco?
No. Other sparkling wines can use tank fermentation. Prosecco also has defined origin, grape and production requirements. Bella Principessa’s Prosecco DOC expressions sit within those categories; the vessel alone does not establish the name.
For what happens beforehand, read Prosecco’s first fermentation. For the complete journey, see how Prosecco is made. Once the sequence is clear, the terminology becomes something you can use rather than another word to remember.
How does the Martinotti method work for Prosecco rosé?
Prosecco DOC rosé uses the same principle: a second fermentation in a sealed pressure tank retains the carbon dioxide that creates the sparkle. Its base wine includes Pinot Nero vinified as red wine, blended with Glera, and the rosé must spend at least 60 days in the autoclave. That is a rosé production requirement, rather than a rule for every wine made by the tank method.
The National Prosecco Week production guide explains the rosé steps alongside the wider process.
Sources
Prosecco DOC winemaking; Prosecco DOC production regulations.
