Chemical investigation of the dichloromethane extract of the freeze-dried roots of Raphanus sativus afforded 3-(E)- (methylthio)methylene-2-pyrrolidinethione (1), a mixture of 4-methylthio-3-butenyl isothiocyanate (2) and 4- (methylthio)butyl isothiocyanate (3), β-sitosterol (4), β-sitosteryl-3β-glucopyranoside-6'-O-palmitate (5), monoacylglycerols (6), and a mixture of α-linolenic acid (7)and linoleic acid (8). The structures of 1-3 were elucidated by extensive 1D and 2D NMR spectroscopy, while those of 4-8 were identified by comparison of their NMR data with those reported in the literature.
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