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- Title
DETERMINATION OF Pb AND Cd CONTENT IN FOOD SUPPLEMENTS CONTAINING EXTRACTS OF Crataegus sp. AND Tribulus terrestris, BY FLAME ATOMIC ABSORPTION SPECTROMETRY.
- Authors
MITKOV, S.; MALCHEVA, B.; YORDANOV, D.; DIMOV, I.; TCACHEV, C.; PENCHEVA, I.
- Abstract
Products containing extracts of medicinal herbs (Crataegus sp.) and toothbrushes (Tribulus terrestris L.) are used in pharmacy as food supplements and Over the Counter (OTC) products. Their effect is due to the biologically active flavonoids and oligomeric procyanidins from Crataegus oxiacantha and furostanol saponins and flavonoids contained in Tribulus terrestris. In the present work a method for quantitative determination of lead and cadmium in tablet forms of nutritional supplements containing extracts from these medicinal plants is developed and validated by atomic absorption flame spectrometry. The analytical parameters are defined: working range, linear range, limit of detection, limit of quantification, repeatability, recovery and accuracy. The measurement uncertainty in the lead and cadmium test in the analysed tablets was calculated.
- Subjects
DIETARY supplements; TRIBULUS terrestris; ATOMIC absorption spectroscopy; HAWTHORNS; FLAVONOIDS; PROCYANIDINS; SAPONINS
- Publication
Oxidation Communications, 2018, Vol 41, Issue 1, p61
- ISSN
0209-4541
- Publication type
Article