But wait, Is it true? No, not at all all. Nobody is quite sure how this rumor started... perhaps it was due to a forest fire they had in Portugal a while ago. Wherever or whenever it started, it is simply not true.
Ok, but then why are wineries using screw caps? This is because of something called cork taint. Since cork is a wood product (made from the bark of an Oak tree) it is porous and thus cannot be sterilized. Bacteria can be present in the cork and after a while with exposure to the wine, the wine goes bad. The wine industry loses a lot of wine to cork taint every year.
The first solution was synthetic cork, however there were situations where the cork was difficult to extract. So what to do now?
The best closure for wine is screw-caps. But hang on a second, wasn't that the closure used on inferior wines years ago? Yes it was and here in Ontario we have come to see screw caps associated with inferior wine. But alas, that is is not the case now. Most wineries are making the jump to screw caps now.
The only remaining issue is unscrewing a cap is not as romantic as popping a cork!
For more information on cork and cork products, please visit the Corkhouse at www.corkhouse.com