Eruca sativa and Brassica juncea belong to the Brassicaceae family and have been used traditionally for the treatment of cancer and various cardiovascular ailments. A rapid and simple ultra performance liquid chromatography (UPLC) method has been developed for the simultaneous quantification of erucin, allyl isothiocyanate and benzyl isothiocyanate in E. sativa and B. juncea oil. Eruca sativa oil contains erucin (28.93%), allyl isothiocyanate (0.06%) and benzyl isothiocyanate (0.70%). Identification of other secondary metabolites in E. sativa and B. juncea oil and aqueous methanolic extracts were also carried out using ultra performance liquid chromatography-electro spray ionization-quadrupole time of flight (UPLC-ESI-QTOF). The UPLC-ESI-QTOF based study leads to the identification of ten compounds in B. juncea oil and three compounds in E. sativa oil. The UPLC-ESI-QTOF analysis of aqueous methanolic extracts of E. sativa and B. juncea leads to the identification of eight and nine compounds, respectively.
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