01104naa a2200205 a 450000100080000000500110000800800410001910000140006024501020007426000090017652005210018565000200070665300090072665300150073570000200075070000220077070000160079270000200080877300700082814104292016-01-18 1997 bl uuuu u00u1 u #d1 aLOPES, D. aSulphur constituents of the essential oil of nira (Allium tuberosum Rottl.) cultivated in Brazil. c1997 aThe essential oil, obtained from fresh leaves of nira (Allim tuberosum Rottl.) by steam distillation, was analyzed by HRGC and GC-MS. Sulphur-containing compounds identified account for 84% of the oil. Besides the sulphur compounds commonly reported in the genus Allium, three unusual volatile sulphur-containing components were found and they can be grouped as 1-(methylthio)alk(en)yl alk disulphides. The compound identified as allyl 1-(methylthio)ethyl disulphide is describe in the literature for the first time. aÓleo Essencial aNira aSulfurados1 aGODOY, R. L. O.1 aGONÇALVES, S. L.1 aKOKETSU, M.1 aOLIVEIRA, A. M. tFlavour and Fragrance Journalgv. 12, p. 237-239, jul./aug. 1997.