Volume 21 Issue 4
Aug.  2008
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JYOTI BARTHWAL, SMITHA NAIR, POONAM KAKKAR. Heavy Metal Accumulation in Medicinal Plants Collected from Environmentally Different Sites[J]. Biomedical and Environmental Sciences, 2008, 21(4): 319-324.
Citation: JYOTI BARTHWAL, SMITHA NAIR, POONAM KAKKAR. Heavy Metal Accumulation in Medicinal Plants Collected from Environmentally Different Sites[J]. Biomedical and Environmental Sciences, 2008, 21(4): 319-324.

Heavy Metal Accumulation in Medicinal Plants Collected from Environmentally Different Sites

  • To estimate the heavy metal content in soil and selected medicinal plants procured from environmentally different sites of the same city. Methods Soil and plant samples of Abutilon indicum, Calotropis procera, Euphorbia hirta, Peristrophe bycaliculata, and Tinospora cordifolia were collected from 3 environmentally different sites of the city: heavy traffic area (HTA), industrial area (IA), and residential area (RA). Pb, Cd, Cr, and Ni were estimated in soil and plant samples by inductively coupled plasma emission spectrometry and compared. Results The level of heavy metal was higher in soil than in plant parts studied. Accumulation of heavy metals varied from plant to plant. Pb was the highest in Calotropis procera root from HTA site and the lowest in Peristrophe bycaliculata whole plant from IA site. It was also lower in residential area than in heavy traffic area. Conclusion The level of heavy metal content differed in the same medicinal plant collected from environmentally different sites of the same city. Thus, it reiterates our belief that every medicinal plant sample should be tested for contaminant load before processing it further for medication.
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Heavy Metal Accumulation in Medicinal Plants Collected from Environmentally Different Sites

Abstract: To estimate the heavy metal content in soil and selected medicinal plants procured from environmentally different sites of the same city. Methods Soil and plant samples of Abutilon indicum, Calotropis procera, Euphorbia hirta, Peristrophe bycaliculata, and Tinospora cordifolia were collected from 3 environmentally different sites of the city: heavy traffic area (HTA), industrial area (IA), and residential area (RA). Pb, Cd, Cr, and Ni were estimated in soil and plant samples by inductively coupled plasma emission spectrometry and compared. Results The level of heavy metal was higher in soil than in plant parts studied. Accumulation of heavy metals varied from plant to plant. Pb was the highest in Calotropis procera root from HTA site and the lowest in Peristrophe bycaliculata whole plant from IA site. It was also lower in residential area than in heavy traffic area. Conclusion The level of heavy metal content differed in the same medicinal plant collected from environmentally different sites of the same city. Thus, it reiterates our belief that every medicinal plant sample should be tested for contaminant load before processing it further for medication.

JYOTI BARTHWAL, SMITHA NAIR, POONAM KAKKAR. Heavy Metal Accumulation in Medicinal Plants Collected from Environmentally Different Sites[J]. Biomedical and Environmental Sciences, 2008, 21(4): 319-324.
Citation: JYOTI BARTHWAL, SMITHA NAIR, POONAM KAKKAR. Heavy Metal Accumulation in Medicinal Plants Collected from Environmentally Different Sites[J]. Biomedical and Environmental Sciences, 2008, 21(4): 319-324.

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