Rate of flawed bottles

To be fair this doesn’t show variation under cork, but variation under all closures in the trial, with the darkest colours the injection moulded plastic corks. There is variation under cork, but that is not what is being shown here.


Very true Jamie. But the study did mention the variability of natural cork and they talked about rates of either 100 or 1000 times more than with screw cap if I’m not mistaken.

Natural cork is variable but the figures going round of 1000-fold variability were shown to be false - an artefact of using MOCON on dry cork. All of our experience of drinking wines sealed with cork would probably flag this as a false figure.

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Jamie, what is the correct figure, do you suppose? Ten-fold, a hundred-fold?