title: Evidence that the putative compatible solute 5-dimethylsulfoniopentanoate is an extraction artifact.
abstract: A novel gas chromatography-mass spectrometry method for analyzing sulfonium compounds as their S-demethylated silyl derivatives has clarified the origin of 5-dimethylsulfoniopentanoate. This compound, previously reported from flowers of Diplotaxis tenuifolia (L.) DC. (Cruciferae), is generated from glucoerucin during treatment with hot 6 N HCl. Glucoerucin is the characteristic glucosinolate of D. tenuifolia.
authors.affiliation: Institut de Recherche en Biologie Végétale de l'Université de Montréal, Québec, Canada.
authors.forename: A D
authors.initials: AD
authors.lastname: Hanson
authors.forename: Z H
authors.initials: ZH
authors.lastname: Huang
authors.forename: D A
authors.initials: DA
authors.lastname: Gage
mesh_terms: D016477:Artifacts; D008401:Gas Chromatography-Mass Spectrometry / Q000379:methods; D010936:Plant Extracts / Q000737:chemistry*; D016339:Spectrometry, Mass, Fast Atom Bombardment / Q000379:methods; D013452:Sulfonium Compounds / Q000302:isolation & purification*
chemical_list: D010936:Plant Extracts; D013452:Sulfonium Compounds; C085549:5-dimethylsulfoniopentanoate