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2012 | 7 | 4 | 457-464
Tytuł artykułu

The analysis of heavy metals content in herbal infusions

Treść / Zawartość
Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
The content of 8 heavy metals (Cd, Cr, Cu, Fe, Mn, Ni, Pb and Zn) was evaluated in infusions prepared from 13 different herbal compositions commercially available in drug or herbal stores. The mixtures were produced by a Polish manufacturer “Herbapol”. The concentration of heavy metals was determined using flame atomic absorption spectrometry (FAAS). In the herbal infusions Mn was found in the highest concentration varying from 3.03 to 129.01 mg/kg. The element of the lowest content was Cd in the range of 0.024–0.153 mg/kg. According to interquartile ranges the concentrations of studied heavy metals in infusions decreased in the following descending order: Mn>Fe>Zn>Cu>Ni>Cr>Pb>Cd. Cluster analysis allowed for the division of herbal infusions into groups described by comparable levels of heavy metals. In water extracts made from Urosan, Nervosan, Infektoten and Cholagoga, distinctive levels of Mn, Fe and Cr were determined. According to WHO regulations, the concentrations of the elements did not exceed the allowable limits.
Wydawca

Czasopismo
Rocznik
Tom
7
Numer
4
Strony
457-464
Opis fizyczny
Daty
wydano
2012-08-01
online
2012-05-24
Twórcy
  • Department of Analytical Chemistry, Medical University of Gdansk, Al. Gen. J. Hallera 107, 80-416, Gdansk, Poland
  • Department of Analytical Chemistry, Medical University of Gdansk, Al. Gen. J. Hallera 107, 80-416, Gdansk, Poland, marwes@gumed.edu.pl
Bibliografia
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  • [8] WHO guidelines on safety monitoring of herbal medicines in pharmacovigilance systems, World Health Organization Press, Geneva, 2004
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  • [11] WHO guidelines for assessing quality of herbal medicines with reference to contaminants and residues, World Health Organization Press, Geneva, 2007, pp. 24
  • [12] Everitt BS, Landau S, Leese M, Stahl D, Cluster analysis, 5th ed, John Wiley & Sons, Chichester, 2011 http://dx.doi.org/10.1002/9780470977811[Crossref]
  • [13] Abonyi J, Feil B, Cluster Analysis for Data Mining and System Identification, Springer-Verlag, Berlin, 2007
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  • [15] National Academy of Sciences, 2004. Dietary Reference Intakes (DRI’s): Recommended Intakes for Individuals, Elements. Available at http://wwwn.nap.edu
Typ dokumentu
Bibliografia
Identyfikatory
Identyfikator YADDA
bwmeta1.element.-psjd-doi-10_2478_s11536-012-0007-y
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