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Tuofu wine cellar - "wine cap" refers to bottle cover?
发布日期:2020-08-12

The bottle cap is a cap like sealing part with covering and wrapping function on the outer layer of the bottle mouth. In consumption scenarios, "wine cap" can refer to bottle cap, but in scenarios involving production factors, "wine cap" mainly refers to the scum cap floating above the liquor during wine fermentation.
  
1. Bottle cap is the sealing part of wine packaging
  
Bottle sealing and packaging are the necessary links of wine commercialization production. This process should not only protect the organic properties of wine, but also make the packaging shape of wine have a pleasing beautifying function. Sometimes, it has the function of wine fidelity certification through special design.
  
In a broad sense, bottle caps can be related parts used for sealing and packaging of wine containers, such as corks, caps and seals. In daily situations, people often say that the bottle cap is a visible part of the top of the bottle, which has the function of covering the bottle mouth like a cap.
  
For wines with strong aging potential that need to be preserved for a long time, common sealing parts include wine stopper, perforated (convenient for ventilation) compressed long cap bottle seal made of plastic film or tin foil film. For wines that do not need long-term storage or almost no ventilation, sealing with aluminum screw caps can simultaneously prevent the outflow of liquor and wrap the bottle mouth. When the wine sealed in these two ways is ready to open the bottle, the bottle cap mainly refers to the short cap part cut off or unscrewed from the top of the bottle.
  
For sparkling wines such as champagne, because the air pressure in the bottle is significantly higher than the daily air pressure, the actual parts that play the role of reinforcing the insertion of the wine stopper are the metal wire sleeve set on the outer layer of the wine stopper, and the wine cap pressed in the metal wire sleeve and the plastic film wrapped on the outer layer mainly play a decorative role.
  
2. "Wine cap management" is a professional term of wine brewing process with skin
  
In the brewing process of red wine, solid-liquid separation often occurs in alcohol fermentation, that is, solid substances such as grape skin will gradually float above the liquor, forming a thick skin residue cap. Because the pigment, tannin and other components of red wine mainly come from the grape skin residue, the winery needs to improve the contact degree between the skin residue and the liquid part through a proven and reliable way to extract the pigment and other substances into the liquid. This process is wine cap management.
  
Therefore, if the scope of wine appreciation is extended to the production process, "wine cap" refers to the residue cap; If the scope of wine mentioned only stays in the aspect of consumption feeling, "wine cap" can also refer to the bottle cap or related parts used for packaging.

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