Selenium content in seed, oil and oil cake of Se hyperaccumulated Brassica juncea (Indian mustard) cultivated in a seleniferous region of India

► Quantification of Se in Brassica juncea cultivated in a seleniferous region. ► Use of neutron activation analysis for Se quantification in oil and oilcake. ► Findings in context of human and livestock consumption of oil and oilcake. ► Potential use of Se-rich mustard as nutraceuticals.