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Xenobiotica. 1987 Nov;17(11):1363-71.

The chemical nature of the urinary odour produced by man after asparagus ingestion.

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  • 1Department of Biochemistry, University of Birmingham, UK.

Abstract

1. The pungent urinary odour produced by certain individuals within a few hours of eating asparagus has been shown to be due to a combination of up to six sulphur-containing alkyl compounds identified as methanethiol, dimethyl sulphide, dimethyl disulphide, bis-(methylthio)methane, dimethyl sulphoxide and dimethyl sulphone. 2. The possible roles of S-methylmethionine and asparagusic acid as precursors of these odorous substances are discussed in relation to the known chemistry of the vegetable.

PMID:
3433805
[PubMed - indexed for MEDLINE]
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