CHEMICAL RISK DUE TO THE CONTAMINATION OF MEDICINAL PLANTS WITH POLYCYCLIC AROMATIC HYDROCARBONS

Edward MUNTEAN, Nicoleta MUNTEAN, Rajmund MICHALSHY, Marcel M. DUDA

Abstract


The content of polycyclic aromatic hydrocarbons (PAHs) of some commercially available herbal teas was assessed by high performance liquid chromatography using an Agilent 1100 system with fluorescence detection; naphthalene, acenaphthene, fluorene, phenanthrene, anthracene, fluoranthene, pyrene, benzo(a)anthracene, chrysene, benzo(b)fluoranthene, benzo(k)fluor-anthene, benzo(a)pyrene, dibenzo(a,h)anthracene, benzo(g,h,i)perylene and indeno(1,2,3-c,d)pyrene were separated using an Envirosep PP column and quantified in herbal samples. Each herbal tea showed a particular contamination pattern, depending on the environmental conditions in which the plants were grown and of the processing practices used by producers. The maximum overall PAH’s content was recorded for dandelion, mulberry and St. John’s wort, while basil and fennel proved to have the minimum PAH contamination.

Keywords


polycyclic aromatic hydrocarbons, PAH, contamination, medicinal plants

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