Applications of Direct Analysis in Real Time Mass Spectrometry

Mar 15, 2010 - ...
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J. Agric. Food Chem. 2010, 58, 4617–4625

4617

DOI:10.1021/jf1000106

Applications of Direct Analysis in Real Time Mass Spectrometry (DART-MS) in Allium Chemistry. 2-Propenesulfenic and 2-Propenesulfinic Acids, Diallyl Trisulfane S-Oxide, and Other Reactive Sulfur Compounds from Crushed Garlic and Other Alliums ERIC BLOCK,*,† A. JOHN DANE,‡ SIJI THOMAS,† AND ROBERT B. CODY*,‡ †

Department of Chemistry, University at Albany, SUNY, Albany, New York 12222, and ‡ JEOL USA, Inc., 11 Dearborn Road, Peabody, Massachusetts 01960

Through the use of direct analysis in real time mass spectrometry (DART-MS), 2-propenesulfenic acid, an intermediate long postulated as being formed when garlic (Allium sativum) is crushed, has been detected for the first time and determined by mass spectrometric methods to have a half-life of