Volatile Acidity

All wines have a tiny amount of volatile acidity, usually, with any luck, imperceptible. In excess, V.A., as it is known, causes a wine to have an unpleasantly sharp, vinegary aroma. Volatile acidity occurs because unwanted bacteria have produced acetic acid, the result of poor winemaking.

How often can cork bark be harvested from cork oak trees?

A. Every year, just like grapes

B. Once every 50 years

C. Once every 3 years

D. Once every 9 years

Cork oak trees can be harvested for the first time for cork bark after about 25 years. Thereafter, the tree bark is harvested every 9 years. A cork tree will be “stripped,” on average, sixteen times in its 150 to 200 life. There is a saying in Portugal (where most of the world’s cork oak forests exist) that: Nature got it wrong–there should be a cork harvest every year, but women should have babies just once every nine years.

200

Percentage rate by which U.K. wine exports rose from 2018 to 2019. According to trade body WineGB, around 550,000 bottles—mostly of English sparkling wine—were sold internationally in 2019. Norway, the U.S., Canada, and Australia top… Continue reading

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