Determination of trace elements in coffee beans and instant coffee of various origins by INAA

J. H. Zaidi; I. Fatima; M. Arif; I. H. Qureshi

doi:10.1007/s10967-006-0015-y

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Journal of Radioanalytical and Nuclear Chemistry

Volume/Issue:: Volume 267: Issue 1

Determination of trace elements in coffee beans and instant coffee of various origins by INAA

Authors:

J. H. Zaidi

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

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I. Fatima

I. Fatima Nuclear Chemistry Division, Pakistan Institute of Nuclear Science and Technology P.O. Nilore, Islamabad, Pakistan

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M. Arif

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

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, and

I. H. Qureshi

I. H. Qureshi Nuclear Chemistry Division, Pakistan Institute of Nuclear Science and Technology P.O. Nilore, Islamabad, Pakistan

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Pages:: 109–112

Online Publication Date:: 14 Jan 2006

Publication Date:: 17 Dec 2005

Article Category:: Research Article

DOI:: https://doi.org/10.1007/s10967-006-0015-y

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Summary

Extensive use of coffee, by one-third of world's population, entails the evaluation of trace element contents in it. Instrumental neutron activation analysis (INAA) was successfully employed to determine the concentration of 20 trace elements (essential, toxic and nonessential) in four samples of coffee beans of various origins and two instant coffee brands most commonly consumed in Pakistan. This study provides the base-line values of certain toxic and essential elements in coffee. The daily intake of essential and toxic elements through coffee was estimated and compared with the recommended values. The cumulative intake of Mn is four times higher than the recommended value and that of toxic elements is well below the tolerance limits.

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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)