Corks and statistics

I am happy with a seal in a wine bottle that provides consistency, and does not interfere with the way a wine should taste.

Cork does not provide consistency and has problems from taint (TCA) and oxidation present in entirely unacceptable percentages. Diam is OK, plastic corks are not. Crown seal is preferred for sparkling wines.

Screwcap has proven to be far superior to cork. There is proof that wines age consistently, and I have only ever had one “leaker” under screwcap (despite some dinged capsules).

Statistics of problems with cork that I have monitored for the past few years (my own wines, that  have opened). I do not count Brett-affected wines, or those wines deemed to be legitimately, alas, just too old.

2022 second half 8.1%, listed below
2012 Quinta do Noval LBVP (oxidised)
2010 Poderi Colla Barolo Bussia dardi le rose (TCA) – kindly replaced by importer
2006 Aldo Conterno Barolo Bussia Romirasco (oxidised)

2022 10.1%
2021 3.8%
2020 2.9%
2019 6.45%
2018 5.32%
2017 4.7%
2016 5.5%
2015  7.4%
2014 7.6%
2013 8.6%
2012 5.7%
2011 8.9%
2010 6.4%


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