Analysis of bioaccessible concentration of trace elements in plant based edible materials by INAA and ICPMS methods

  • R. K. Dutta
  • R. S. Maharia
  • R. Acharya
  • A. V. R. Reddy


The total metal concentration and bioaccessible concentration of Cr, Mn, Fe, Cu, Zn, Se in Momordica charantia, Asparagus racemosus, Terminalia arjuna and Syzyzium cumini were measured by instrumental neutron activation analysis and by inductively coupled plasma mass spectrometry analysis (ICP-MS). The bioaccessible concentrations were determined in the gastrointestinal digest obtained after treating dried powdered samples sequentially in gastric and intestinal fluid of porcine origin at physiological conditions. The bioaccessible concentration of Fe was in the range of 58–67 mg kg−1, Mn was 10.2–14.6 mg kg−1, Cu was 3.7–4.8 mg kg−1 and Zn was 10.6–18.4 mg kg−1, were within the safety limits set for vegetable food stuff set by Joint FAO/WHO. The bioaccessibility of Zn, an essential element, was high (40–50 %) in M. charantia and in S. cumini. In addition, the total metal contents and bioaccessible concentration of Ni, Se, Cd and Pb in these samples were measured by ICP-MS. The total Cd content in S. cumini (2.6 ± 0.2 mg kg−1) and its bioaccessible concentration (0.6 mg kg−1) were strikingly high as compared to the other samples. Though total Hg contents were determined by ICP-MS, but their bioaccessible concentrations were below the detection limit (0.036 mg kg−1).


Neutron activation analysis Inductively coupled plasma mass spectrometry Bioaccessibility Trace elements Gastrointestinal digestion 



This work has been carried out under the BRNS project 2011/37C/37/BRNS and authors thank BRNS, DAE for the support and financial assistance.


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Copyright information

© Akadémiai Kiadó, Budapest, Hungary 2014

Authors and Affiliations

  • R. K. Dutta
    • 1
  • R. S. Maharia
    • 1
  • R. Acharya
    • 2
  • A. V. R. Reddy
    • 3
  1. 1.Department of ChemistryIndian Institute of Technology RoorkeeRoorkeeIndia
  2. 2.Radiochemistry DivisionBhabha Atomic Research CentreMumbaiIndia
  3. 3.Analytical Chemistry DivisionBhabha Atomic Research CentreMumbaiIndia

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