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This wine defect (also known as acetic ester clay, adhesive clay) is caused by excessive amounts of acetic acid ethyl ester (ethyl acetate) in the wine. Wines are objected to from about 200 mg/l. It expresses itself through a chemical, non-wine-like taste with a sweetish impression and sensorially intensifies the wine defect acetic sting which often occurs together. Uhuton is sometimes assigned to the error group solvent clay.

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