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Last night I opened up a bottle of wine and discovered that, much to my dismay, it was corked. What exactly does corked mean, you might ask? Well, cork stoppers come from cork trees – essentially it is a piece of tree bark. While cork is a pretty amazing substance – it is very light, elastic and durable – it does have the unfortunate problem of occasionally being affected by something called 2,4,6-trichloroanisole or TCA for short. TCA occurs when a chlorine compound reacts with mold in the presence of moisture. When TCA is present in the cork, alcohol acts as a solvent so that the TCA is pulled into the wine. …
