Journal of Radioanalytical and Nuclear Chemistry
Volume/Issue:
Volume 294: Issue 2
A pilot study to measure levels of selected elements in Thai foods by instrumental neutron activation analysis
Authors:
S. Laoharojanaphand Thailand Institute of Nuclear Technology, Ongkharak, Nakhon Nayok 26120, Thailand

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A. Busamongkol Thailand Institute of Nuclear Technology, Ongkharak, Nakhon Nayok 26120, Thailand

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V. Permnamtip Thailand Institute of Nuclear Technology, Ongkharak, Nakhon Nayok 26120, Thailand

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K. Judprasong Institute of Nutrition, Mahidol University, Salaya, Nakhonpathom, Thailand

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A. Chatt SLOWPOKE-2 Facility, Trace Analysis Research Centre Department of Chemistry, Dalhousie University, Halifax, NS B3H 4J3, Canada

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Pages:
323–327
Online Publication Date:
16 Jun 2012
Publication Date:
01 Nov 2012
Article Category:
Research Article
DOI:
https://doi.org/10.1007/s10967-012-1884-x
Keywords:
INAA; Cyclic INAA; Thai food; Nutrition; Toxic elements
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Abstract  

A pilot study was carried out to evaluate the scope of instrumental neutron activation analysis (INAA) for measuring the levels of selected elements in a few commonly consumed food items in Thailand. Several varieties of rice, beans, aquatic food items, vegetables and soybean products were bought from major distribution centers in Bangkok, Thailand. Samples were prepared according to the protocols prescribed by the nutritionist for food compositional analysis. Levels of As, Br, Ca, Cd, Cl, Cr, Cu, Fe, K, Mg, Mn, and Zn were measured by INAA using the irradiation and counting facilities available at the Thai Research Reactor with the maximum in-core thermal neutron flux of 3 × 1013 cm−2 s−1 of the Thailand Institute of Nuclear Technology in Bangkok. Selenium was determined by cyclic INAA using the Dalhousie University SLOWPOKE-2 Reactor facilities in Halifax, Canada at a thermal neutron flux of 2.5 × 1011 cm−2 s−1. Both cooked and uncooked foods were analyzed. The elemental composition of food products was found to depend significantly on the raw material as well as the preparation technique.

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Cover Journal of Radioanalytical and Nuclear Chemistry
Journal of Radioanalytical and Nuclear Chemistry
Print ISSN:
0236-5731
Online ISSN:
1588-2780

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Journal of Radionalytical and Nuclear Chemistry
Language English
Size A4
Year of
Foundation		 1968
Volumes
per Year		 1
Issues
per Year		 12
Founder Akadémiai Kiadó
Founder's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher		 Chief Executive Officer, Akadémiai Kiadó
ISSN 0236-5731 (Print)
ISSN 1588-2780 (Online)

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