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Profiling of heavy metal and pesticide residues in medicinal plants. 2018

Narendra Kumar, and Mahiya Kulsoom, and Vertika Shukla, and Dhananjay Kumar, and Priyanka, and Sanjeev Kumar, and Jaya Tiwari, and Neetu Dwivedi
Department of Environmental Science, Babasaheb Bhimrao Ambedkar University, Lucknow, 226025, India. narendrakumar_lko@yahoo.co.in.

Application of medicinal plant to cure ailments has been practiced by several civilizations. Nowadays, contamination of heavy metals and pesticide residues in medicinal plant is a serious concern, due to toxic effects on human health. The present study was designed with an aim to quantify the heavy metals and pesticide residues in the 20 medicinal herbs, frequently sold in the local market as raw material without any quality assurance. The concentrations of the elements are as follows: copper (2.42-19.14 μgg-1), cadmium (0.01-2.10 μgg-1), chromium (17.63-58.63 μgg-1), iron (7.61-322.6 μgg-1), and lead (13.00-54.47 μgg-1), whereas total metal concentration ranged between 44.73 and 385.15 μgg-1. Among the organic pesticides, HCH (1.63-6.44 μgg-1) and DDT (0.63-7.14 μgg-1) isomers were found to be present in medicinal plant material. Result showed that lead and chromium concentrations in the herbs were above the permissible limits set by WHO. These herbs should be regularly checked for quality assurance before using raw or as a herbal formulation to avoid chronic exposure of metal and pesticides to human being.

UI MeSH Term Description Entries
D007194 India A country in southern Asia, bordering the Arabian Sea and the Bay of Bengal, between Burma and Pakistan. The capitol is New Delhi. Republic of India
D010573 Pesticide Residues Pesticides or their breakdown products remaining in the environment following their normal use or accidental contamination. Pesticide Residue,Residue, Pesticide,Residues, Pesticide
D010946 Plants, Medicinal Plants whose roots, leaves, seeds, bark, or other constituent parts possess therapeutic, tonic, purgative, curative or other pharmacologic attributes, when administered to man or animals. Herbs, Medicinal,Medicinal Herbs,Healing Plants,Medicinal Plants,Pharmaceutical Plants,Healing Plant,Herb, Medicinal,Medicinal Herb,Medicinal Plant,Pharmaceutical Plant,Plant, Healing,Plant, Medicinal,Plant, Pharmaceutical,Plants, Healing,Plants, Pharmaceutical
D003634 DDT A polychlorinated pesticide that is resistant to destruction by light and oxidation. Its unusual stability has resulted in difficulties in residue removal from water, soil, and foodstuffs. This substance may reasonably be anticipated to be a carcinogen: Fourth Annual Report on Carcinogens (NTP-85-002, 1985). (From Merck Index, 11th ed) 1,1,1-trichloro-2,2-bis(p-chlorophenyl)ethane,4,4'-DDT,4,4'-Dichlorodiphenyltrichloroethane,Benzochloryl,Chlorophenothane,TbisC-ethane,p',p'-DDT,4,4' DDT,4,4' Dichlorodiphenyltrichloroethane,TbisC ethane
D004785 Environmental Pollutants Substances or energies, for example heat or light, which when introduced into the air, water, or land threaten life or health of individuals or ECOSYSTEMS. Environmental Pollutant,Pollutant,Pollutants,Pollutants, Environmental,Pollutant, Environmental
D019216 Metals, Heavy Metals with high specific gravity, typically larger than 5. They have complex spectra, form colored salts and double salts, have a low electrode potential, are mainly amphoteric, yield weak bases and weak acids, and are oxidizing or reducing agents (From Grant & Hackh's Chemical Dictionary, 5th ed) Heavy Metal,Heavy Metals,Metal, Heavy

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