New research in France shows contaminated new oak barrels are a much underestimated source of cork taint – TCA.
Tests undertaken by analysts at Laboratoire Excell in France suggest that there are several sources of TCA (Trichloroanisole) contamination of oak wood – although so far nobody seems to know where it comes from. The French coopers association,Tonneliers de France, have reacted in the typically French way and dismissed the study out of hand. Full story on Decanter.com
Cork taint is is often detected by test equipment even when human tasters can’t detect it, So the impact of this research is not yet clear.Obviously if personalised wine labels ever found TCA in our wine, we would replace customer bottles immediately.
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