Van İlinden Seçilmiş Bazı Tıbbi Bitkilerin Ağır Metal İçerikleri

Tedavi amacıyla çay olarak geniş bir kullanımı olan 9 bitki türü Van (Türkiye)'den seçilerek Al, Fe, Mn, Zn, Ni, As, Cd, Pb, Cr, Cu, Co ve Sr seviyeleri belirlenmiştir. Araştırmada kullanılan bitkiler: Sarı kantaron (Hypericum ssp.), civan perçemi (Achillea ssp.), hatmi (Alcea ssp), adaçayı (Salvia ssp.) ısırgan otu (Urtica ssp.), kekik (Thymus ssp), acı cehre (Frangula alnus), papatya (Matricaria ssp.) ve uçkun (Rheum ribes)'dur. Toplam olarak farklı kısımları kullanılan 34 örnek incelenmiştir. Bitki örnekleri dört farklı satış istasyonundan toplanmıştır. Örnekler mikrodalga yöntemi ile parçalanmış (yakılmış) ve ICP-OES (Inductively Coupled Plasma Optical Emission Spectrometry) spektrometre ile ölçümler belirlenmiştir. Örneklerin mikroelement içerikleri şu şekilde sıralanmıştır: Al (0.597-32.852), Fe (0.331-18.797), Mn (0.08-1.06), Zn (0.1-0.409), Ni (0.015), As (0.104), Cd (0.00-0.03), Pb (0.00-0.16), Cr (0.002-0.111), Cu (0.063-0.292), Co (0.01-0.09) ve Sr (0.107-1.925) ppm. İncelenen tıbbi bitkilerin mikro element seviyeleri belirlenmiş ve insan sağlığı açısından güvenli olduğu sonucuna varılmıştır.

Anahtar Kelimeler:

mikro element, korelasyon, Tıbbi bitkiler, ICP-OES

Heavy Metal Contents in Selected Medicinal Plants of Van-Turkey

Levels of Al, Fe, Mn, Zn, Ni, As, Cd, Pb,Cr,Cu,Co and Sr were determined in selected 9 medicinal plants from Van-Turkey, which are widely used in phytopharmacy as herbal teas. The following plants were investigated: John’s wort (Hypericum ssp.), yarrow (Achillea ssp.), hollyhock (Alcea ssp), sage (Salvia ssp.) nettle (Urtica ssp.), thyme (Thymus ssp), alder buckthorn (Frangula alnus), chamomile (Matricaria ssp.), rhubarb (Rheum ribes). A total of 34 samples of various parts ofplants (root, leaf, flower) were examined. Plants were collected from four different places in Van-Turkey. Samples were prepared using the microwave digestion technique, and measurements were performed applying the ICP-OES(Inductively Coupled Plasma Optical Emission Spectrometry). Contents of microelements in the examined samples ranged: Al (0.597-32.852), Fe (0.331-18.797), Mn (0.08-1.06), Zn (0.1-0.409), Ni (0.015), As (0.104), Cd (0.00-0.03), Pb (0.00-0.16), Cr (0.002-0.111), Cu (0.063-0.292), Co (0.01-0.09) and Sr (0.107-1.925) ppm. Based on determined amounts of microelements, from investigated samples of medicinal plants are considered safe for human consumption.

Keywords:

Medicinal plants, microelements, correlation, ICP-OES,

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