Common Wine Defects

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Common Wine Defects

Name	Formula	Descriptors	Source
Acetaldehyde	CH3CHO	raw puimpkin sherry	minor byproduct of fermentation oxidation product
Acetic Acid	CH3COOH	vinegar	Oxidation Product
Ethyl Acetate	CH3COOC2H5	finger nail polish	ester of acetic acid + ethanol
Hydrogen Sulfide	H2S	Rotten Egg	Yeasts
Diacetyl*	(CH3CO)2	Buttery	malolactic Fermentation

*Not considered a defect in small amounts

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