vino spumante di qualità
The mention Quality Sparkling Wine is used for all sparkling wines produced within the territory of denominations, which do not expressly provide for the type of sparkling wine in the specification. It can also be used in the event that, by choice of vines or production processes, sparkling wines do not fall within the discipline of the territorial denomination of belonging. Often these are true excellences of small territories or sparkling wines made with particular and interesting native vines.
The law establishes some basic rules to guarantee the quality and homogeneity of Quality Sparkling Wine . The minimum natural alcoholic strength cannot be less than 10% vol. The liquer de tirage can be composed, together with yeasts and sucrose, only of: grape must, partially fermented grape must from which a table wine or VQPRD can be obtained
The duration of the quality sparkling wine preparation process, including the aging of the product in the production company, must not be less than 9 months from the beginning of the second fermentation. The duration of the fermentation and the permanence of the wine on the lees cannot be less than 60 days. Furthermore, quality sparkling wine must have an overpressure of 3.5 atmospheres at the time of opening, reduced to 3 atmospheres if the container has a capacity of less than 25 cL.