DETERMINATION OF MINERAL AND TRACE ELEMENT IN SOME MEDICINAL PLANTS BY SPECTROSCOPIC METHOD

Abstract

In this paper, the concentrations of elemental contents ((Macro mineral; calcium (Ca) and magnesium (Mg), trace elements; zinc (Zn), copper (Cu) and iron (Fe) and ultra-trace elements aluminum (Al), manganese (Mn), lead (Pb) and nickel (Ni) in some medicinal plants like dill (Anethum graveolens L.), clove (Syzygium aromaticum), cardamom (Elettaria cardamomum), black mulberry (Morus nigra), oak gall (Quercus infectoria), camomile (Matricaria recutita L), basil (Ocimum basilicum), peppermint (Mentha x piperita), ginger (Zingiber officinale), purslane (Portulaca Oleracea L.), thyme (Thymus vulgaris L.) and cinnamon (Cinnamomum verum)) were determined with High Resolution Continuum Source Flame Atomic Absorption Spectrometer (HR CS-FAAS) by using the microwave digestion system. We found metal levels in investigating medicinal plants in the ranges: 0.18- 5.63 mg/g for Ca; 0.06- 1.37 mg/g for Mg; 0.01–0.03 mg/g for Al; 2.84 - 79.48 μg/g for Zn; 2.77–74.38 μg/g for Fe; 0.41 113.01 μg/g for Pb; 0.13–0.54 μg/g for Ni; 0.04 50.51 μg/g for Mn and 0.01–5.97 μg/g for Cu. The highest concentrations of the examined elements in the plants examined were found as follows: Ca in basil; Mg in purslane; Pb, Al and Zn in dill; Fe and Mg in ginger. Likewise, the lowest concentrations were found as follows: Pb in thyme; Zn in black mulberry; Cu in clove and Ni in cinnamon.

Keywords

• Medicinal plant
• microwave digestion
• mineral
• trace elements

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