Abstract
Popularity of herbal drugs is increasing all over the world because of lesser side effects as compared to synthetic drugs besides it cost effectiveness and easy availability to poor people particularly in developing countries. Keeping in view the increased market demand of herbal drugs, it is essential to ensure their chemical quality prior to use. Raw drugs and herbs are usually collected from different places, which might be contaminated with various contaminants. It is pertinent to estimate the levels of heavy metals and other micronutrients, which could be affected by their presence in the surrounding environments. Heavy metals are known to pose a potential threat to terrestrial and aquatic biota. Keeping this in view, samples of ten plants or plant parts used in drug making were collected from local markets of Punjab for heavy metal and micronutrient estimation. It was found that the samples were contaminated having cadmium, lead, chromium, iron, manganese, and zinc. The highest mean level of cadmium (23.1 μg/kg) was found in Haritaki sample. Chromium concentration of the plant samples ranged between 7.25 and 1.34 μg/kg with the highest values was in Daruharidra and lowest in Pippali. The levels of these heavy metals were within permissible limits
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Meena, A.K., Bansal, P., Kumar, S. et al. Estimation of heavy metals in commonly used medicinal plants: a market basket survey. Environ Monit Assess 170, 657–660 (2010). https://doi.org/10.1007/s10661-009-1264-3
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DOI: https://doi.org/10.1007/s10661-009-1264-3