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, diacetal (dī-as'ĕ-til, dī-as'ĕ-tăl),
A yellow liquid, (CH3CO)2, having the pungent odor of quinone and carrying the aromas of coffee, vinegar, butter, and other foods; a byproduct of carbohydrate degradation.
References in periodicals archive ?
25 pyrrolidinedione Collagen & 2,3-butanedione 14 -157.
Yet, he and Turner note, earlier studies showed that as bananas ripen, concentrations of 1-hexanol increase by 777 percent and 2,3-butanedione by 14,900 percent.
2] in the presence of 1-hexanol and 1-butanal, a close relative of 2,3-butanedione.
During adsorbed MEK oxidation by ozonated air, only two sub-products were detected: 2,3-butanedione and acetic acid.

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