Elemental characterisation of strawberry grown in Islamabad by k0-instrumental neutron activation analysis and atomic absorption spectrophotometry and its dietary assessment

Mohammad Wasim; Nasir Khalid; Azeem Asif; Mohammad Arif; Jamshed Zaidi

doi:10.1007/s10967-012-1641-1

Journal of Radioanalytical and Nuclear Chemistry

Volume/Issue:: Volume 292: Issue 3

Elemental characterisation of strawberry grown in Islamabad by k₀-instrumental neutron activation analysis and atomic absorption spectrophotometry and its dietary assessment

Authors:

Mohammad Wasim

Mohammad Wasim Chemistry Division, Pakistan Institute of Nuclear Science and Technology, P.O. Nilore, Islamabad, 45650 Pakistan

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Nasir Khalid

Nasir Khalid Chemistry Division, Pakistan Institute of Nuclear Science and Technology, P.O. Nilore, Islamabad, 45650 Pakistan

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Azeem Asif

Azeem Asif Pakistan Institute of Engineering and Applied Sciences, P.O. Nilore, Islamabad, 45650 Pakistan

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Mohammad Arif

Mohammad Arif Chemistry Division, Pakistan Institute of Nuclear Science and Technology, P.O. Nilore, Islamabad, 45650 Pakistan

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, and

Jamshed Zaidi

Jamshed Zaidi Chemistry Division, Pakistan Institute of Nuclear Science and Technology, P.O. Nilore, Islamabad, 45650 Pakistan

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Pages:: 1153–1159

Online Publication Date:: 30 Jan 2012

Publication Date:: 01 Jun 2012

Article Category:: Research Article

DOI:: https://doi.org/10.1007/s10967-012-1641-1

Keywords:: Strawberry; k 0-NAA; AAS; Trace elements; Daily intake

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Abstract

Mineral contents of strawberry, collected from different farms of Islamabad were analysed by semi-absolute k₀-instrumental neutron activation analysis and atomic absorption spectrophotometry. The samples were irradiated at two research reactors located in Pakistan Institute of Nuclear Science & Technology (PINSTECH), Islamabad. The analytical methodologies were validated by analysing reference materials, IAEA-336 (lichen) and IAEA-V-10 (hay powder). In all the samples, a total of 26 elements were quantified, among them 16 elements (Ca, Cd, Cl, Co, Cr, Cs, Fe, K, Mg, Mn, Na, Pb, Ru, Sc, Sr and Zn) were found in all the samples. The determined elemental concentrations in strawberry were compared with the reported values from other countries. In comparison with the mineral contents of other fruits, strawberry stands best source of Mn and the second most important source of K after banana. Intake of trace metals through this source was calculated and it was found that strawberry provides Mn (1.95–3.68 mg/kg), Cr (19.2–46.3 × 10⁻³ mg/kg), Fe (3.45–8.72 mg/kg), K (1,520–1,670 mg/kg) and Mg (100–220 mg/kg), which forms 26, 19, 14, 7 and 7% of the recommended dietary allowances for the respective metals. The daily intake of Cd and Pb were compared with the provisional tolerable weekly intake defined by FAO/WHO.

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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)