Selenium and Other Elements in Wheat (Triticum aestivum) and Wheat Bread from a Seleniferous Area

The objective of the present study was to assess the levels of Se, as well as other essential and toxic trace elements in wheat grains and traditional Roti-bread from whole-grain flour in a seleniferous area of Punjab (India) using inductively-coupled plasma mass-spectrometry. Wheat grain and bread selenium levels originating from seleniferous areas exceeded the control values by a factor of more than 488 and 179, respectively. Se-rich wheat was also characterized by significantly increased Cu and Mn levels. Se-rich bread also contained significantly higher levels of Cr, Cu, I, Mn, and V. The level of Li and Sr was reduced in both Se-enriched wheat and bread samples. Roti bread from Se-enriched wheat was also characterized by elevated Al, Cd, and Ni, as well as reduced As and Hg content as compared to the respective control values. Se intake with Se-rich bread was estimated as more than 13,600% of RDA. Daily intake of Mn with both Se-unfortified and Se-fortified bread was 133% and 190% of RDA. Therefore, Se-rich bread from wheat cultivated on a seleniferous area of Punjab (India) may be considered as a potent source of selenium, although Se status should be monitored throughout dietary intervention. © 2019, Springer Science+Business Media, LLC, part of Springer Nature.

Skalnaya M.G. 1, 2, 3 , Tinkov A.A. 1, 2, 3 , Prakash N.T.4 , Ajsuvakova O.P. 1, 2, 3 , Jaiswal S.K.5 , Prakash R.4 , Grabeklis A.R. 1, 2, 3 , Kirichuk A.A. 3 , Zhuchenko N.A.2 , Regula J. 6 , Zhang F.7 , Guo X.7 , Skalny A.V. 1, 2, 3, 8
Humana Press Inc.
  • 1 Yaroslavl State University, Yaroslavl, 150000, Russian Federation
  • 2 IM Sechenov First Moscow State Medical University, Moscow, 119146, Russian Federation
  • 3 Peoples’ Friendship University of Russia (RUDN University), Moscow, Russian Federation
  • 4 Thapar Institute of Engineering and Technology, Patiala, 147004, India
  • 5 Marwadi University, Rajkot, 360003, India
  • 6 Poznan University of Life Sciences, Poznan, 60624, Poland
  • 7 School of Public Health, Health Science Center, Xi’an Jiaotong University, Xi’an, 710000, China
  • 8 Federal Research Centre of Biological Systems and Agro-technologies of the Russian Academy of Sciences, Orenburg, 460000, Russian Federation
Ключевые слова
Cereals; Manganese; Recommended daily allowance; Selenium; Toxicity
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