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EVALUATION OF TRACE AND TOXIC HEAVY METALS IN SELECTED CRUDE DRUGS USED IN KHYBER PUKHTONKHAWA, PAKISTAN

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dc.contributor.author MUHAMMAD IBRAR
dc.contributor.author NAVEED MUHAMMAD
dc.contributor.author WELAYATH SHAH
dc.contributor.author BARKATULLAH
dc.date.accessioned 2023-01-05T09:24:12Z
dc.date.available 2023-01-05T09:24:12Z
dc.date.issued 2013-02-18
dc.identifier.citation Muhammad, I., Naveed, M., & Welayath, S. (2013). Evaluation of trace and toxic heavy metals in selected crude drugs used in Khyber pukhtonkhawa, Pakistan. Pakistan journal of botany, 45(1), 141-144. en_US
dc.identifier.issn 2070-3368
dc.identifier.uri http://142.54.178.187:9060/xmlui/handle/123456789/15750
dc.description.abstract The present study was conducted for the evaluation of essential trace and toxic heavy metals such as Pb, Mn, Zn, Co, Cr, Cu, Fe, Ni, K and Na in 31 crude drugs commonly used in Khyber Pukhtonkhawa. These crude drugs were purchased from local venders in Peshawar. Pb was present in excessive (more than 10 µg /g) concentration in four tested samples while Mn concentration exceeded only in two samples. Zn concentration exceeded the permissible limit (50 µg /g) in Trigonella foenum gracum (102 µg /g) and Berberis lyceum (59 µg /g). Except Glycyrrhiza glabra all these samples of crude drugs exceeded the standard limit for Co (0.2 µg /g). Twelve crude drugs were within permissible limits of C r(1.5 µg/g). Highest concentration of Cu was found in Berberis lyceum (57 µg/g) followed by Trigonella foenum graecum (16 µg/g), Glycyrrhiza glabra L. (11 µg/g) and Silybum marianum (11 µg/g). The concentrations of remaining metals were in safe range for all tested samples. Crude drugs are abundantly used for various ailments, but due to presence of heavy toxic metals, these must be subjected to various pharmacological and toxicological evaluation for their affective and safe use. en_US
dc.language.iso en en_US
dc.publisher Karachi: Pakistan Botanical Society en_US
dc.title EVALUATION OF TRACE AND TOXIC HEAVY METALS IN SELECTED CRUDE DRUGS USED IN KHYBER PUKHTONKHAWA, PAKISTAN en_US
dc.type Article en_US


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