Sulfur-free sparkling wine production technology

Abstract

The invention relates to the sparkling wine processing technology, and particularly relates to fresh sulfur-free sparkling wine and a production technology thereof. The production technology comprises the following steps: adopting fresh grapes or frozen grape mashes as the raw materials; carrying out low-temperature extraction and high-temperature sterilization to prepare grape juice; completing the whole process of low-temperature fermentation, fermentation tank sealing, pressure boosting, yeast separation and aroma formation in a closed fermentation tank. The brewing method is simple to operate and free from secondary fermentation; in the whole brewing process, sulfur dioxide and other preservatives are not needed to add, and human health is facilitated; the colors of the sparkling wine can be classified into light green, pink, red and the like according to different raw materials; the sparkling wine has special fruity flavor and vinous flavor, is full-bodied in wine body, tasty and refreshing, and is suitable for people of all ages.

Description

technical field

[0001] The invention relates to a wine production process, in particular to a production process of sulfur-free sparkling wine, belonging to the field of wine brewing. Background technique

[0002] According to the national standard GB15037-2006, sparkling wine belongs to special wine, that is, wine whose carbon dioxide pressure is equal to or greater than 0.05MPa at 20°C. Because sparkling wine is rich in carbon dioxide and has a refreshing taste, it is suitable for both men, women and children, and is suitable for various festive occasions, so it is more and more popular.

[0003] The traditional sparkling wine adopts the secondary fermentation method, such as French champagne adopts the secondary fermentation in the bottle, but the operation is cumbersome and the cost is high; Compared with the bottle fermentation method, the cost of this method is much lower, but it is still time-consuming and labor-intensive, and the brewing cycle is long. Therefore, a...