Unpleasant moldy earthy smell and taste caused primarily by TCA (2,4,6 Trichloroanisole) in problematic corks. Screwcaps themselves do not give wine cork taint.
Unfortunately, this fault is complicated by differing individual perception thresholds, in addition to varying degrees of cork taint, which makes cork taint hard to detect. As a result, customers might unfairly think a wine is lacklustre when it is actually faulty.
Translated by Sylvia Wu / 吴嘉溦
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