December 22, 2024, 09:08:11 AM
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Topic: Wine  (Read 2604 times)

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Offline thaefathan

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Wine
« on: February 28, 2011, 05:07:54 AM »
Hi,
 What is the mechanism of wine going sour after the bottle has been opened?  I'm guessing it's oxidation of EtOH to MeCOOH, but what exactly causes this?
 Thank you

Offline Nobby

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Re: Wine
« Reply #1 on: February 28, 2011, 06:11:17 AM »
This is caused by some bacteria: acetic acid bacteria.

http://en.wikipedia.org/wiki/Acetic_acid_bacteria

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