Wine is fermented by adding yeast to grape juice, and alcoholic fermentation is the most important stage of winemaking. Alcohol is usually added during the fermentation process to terminate the fermentation. In the entire wine making process, the addition of auxiliary materials is very important.
In order to prevent the oxidation of raw materials, ensure normal alcohol fermentation and antioxidant during the aging period, sulfur dioxide plays a decisive role from beginning to end; the selection of yeast strains is directly related to the success of the entire brewing; adding tannins holds The "skeleton" of the enzyme gives the wine a sense of balance; the unique clarification effect of pectinase reduces the viscosity of the grape juice.
wine
Wine is a kind of fruit wine made from grapes through fermentation. It is the largest and most popular simple sugar brewed wine in the world. The alcohol content of typical wine is about eight to fifteen percent, and fortified wines may have higher alcohol content. Most of the world's most famous wines are produced in France, and the history of French wine production can be traced back to the Roman Empire.
There are many varieties of wine. Due to different grape cultivation and wine production process conditions, the product styles vary. According to my country's latest wine standard GB15037-2006, wine is an alcoholic drink made from fresh grapes or grape juice through full or partial fermentation, with an alcohol content of not less than 7.0%.