Assessment of Heavy Metal Contents of Some Indian Medicinal Plants
نویسندگان
چکیده
The present study was carried out to quantitatively analyze the levels of six potentially toxic heavy metals viz., arsenic (As), lead (Pb), cadmium (Cd), mercury (Hg), chromium (Cr) and nickel (Ni) in ten important Indian medicinal plants. The air dried powdered plant materials were subjected to microwave assisted wet digestion for the preparation of test samples. The samples were analyzed by using atomic absorption spectrophotometer equipped with graphite tube atomizer. From the results of the present investigation, it can be inferred that the levels of all six hazardous heavy metals were below the permissible limits in all ten medicinal plants analyzed.
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