Do not know each reader friend when drinking wine, have you paid attention to the bottle mouth cover that layer of film, that is, the bottle.
Probably most people think it’s decorative.
The more observant would have noticed small holes in the tips of the caps and guessed that the caps had a specific function, perhaps to allow the cork to come into contact with a small amount of air.
But there are some wines that don’t have caps. Why?
In the early days, winemakers put caps on bottles to keep rodents out of the corks and worms like weevils out of the bottles.
The caps of bottles were made of lead, but it was later realized that lead was toxic, and the lead that remained in the mouth of the bottle could get into the wine when it was poured, where it could harm human health.
In 1996, both the European Union and the United States passed legislation banning the use of lead caps.
The caps are usually made of tin, aluminum or polyethylene.
Although people have now realized that the bottle cap is useless as a pest control, they have not abandoned the bottle cap.
For example, people used covered beds in ancient times because many houses had thatched roofs that might fall off during storms.
Although most modern buildings are made of concrete, there are still some people who prefer covered beds.
Since the pest control function of the bottle cap is not so significant, and the resource is very scarce, so why not abandon the bottle cap?
A growing number of young winemakers in the New World countries, especially in the California wine regions of the United States, are saying no to bottle caps.
This is not only convenient for consumers, but also environmentally friendly.
On the other hand, the cap can also block the view from seeing the distance between the wine and the cork.
When the liquor is too far from the cork, the wine is likely to have been oxidized.
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