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Caps and their influence on wine

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  1. Introduction
  2. The traditional cork
  3. Origin
  4. Production of cork
  5. The production of cork process
  6. Key properties of cork
  7. Cork in caps: Uses and drawbacks
    1. As wine stoppers
    2. Disadvantages of using a cork cap
  8. Causes for cork taint
  9. Advanced techniques in capping
  10. Drawbacks
  11. Improvisation of cork
  12. Screw cap
  13. Conclusion

The cap is a cylindrical piece usually used as bottle stoppers. Historically, it was used by the Greeks and Romans to seal jars. Despite its history, the cap disappeared for over a thousand years and reappeared in the late nineteenth century in the form of cork. Today bottle caps are made of different kinds of materials such as straw, stone, wood, clay, wax or terracotta. Cork has been an essential material in making bottle caps. However, the supremacy of cork has been challenged because of the negative influence it has on wine.

[...] Advanced techniques in Capping Although cork taint is the only major, recognized drawback in the wine industry, cork manufacturers are increasingly turning to new materials and new techniques in capping. Some are looking at improving the cork to get rid of cork taint, while others are seeking new materials such as metal or polypropylene as means for sealing. But, all the efforts are aimed at combating cork taint, which is caused by the cork. New technologies in capping are emerging due to the taste? in wine left by the cork taint. [...]


[...] If the cork retracts and lets the air into the bottle, it will no longer act as a filter between the wine and the external environment and the wine will get spoilt. One of the problems caused by cork in the cap used to seal wine is ?Cork Taint?. Cork taint causes an undesirable aroma and flavor in the wine. This usually happens when bottled wines come in contact with certain chemical compounds present in the cork, which is used to seal the bottle. [...]


[...] Since the production of wine stoppers is a lengthy operation and has many steps, one might ask as to what is the value of using such a material. There are several issues involved in the production of cork like the geographical distribution of cork oak, its production time etc. But these things do not matter as cork has several properties that make it a good stopper. Key properties of Cork A cap must possess certain essential qualities to be efficient: It must be impervious Air porous and Supple. [...]

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