Raphanus sativus, Brassicaceae, Sinapic Acid Esters, Phenylpropanoids, High Performance Liquid Chromatography Five sinapic acid esters were isolated from cotyledons of Raphanus sativus and have been iden tified with the aid of electron impact (El)-, field desorption (FD)-mass spectrometry and NMR spectroscopy: 6,3'-disinapoylsucrose, sinapoylcholine (sinapine), 6 -sinapoylglucoraphenine, 1 -si...