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- E-ISSN 2288-8985
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- E-ISSN2288-8985
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The Monitoring of some heavy metals in oriental herbal medicines and their intake rates
Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
2009, v.22 no.2, pp.128-135
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(2009). The Monitoring of some heavy metals in oriental herbal medicines and their intake rates. Analytical Science and Technology, 22(2), 128-135.
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Abstract
This paper is the monitoring results of some heavy metals (lead, cadmium, arsenic, mercury) in herbal medicines and their intake rates. The monitoring of lead, cadmium, arsenic and mercury was carried out on 600 samples with 60 kinds of herbal medicines. And the transfer ratio of heavy metals in the water-boiled drinks w as calculated. The results show that lead was detected over the Maximum Residue Limits (MRL) in 10 samples (7 species). Cadmium was detected over the MRM in 69 samples (19 species). Arsenic was detected over the MRM in 3 samples (3 species). Mercury was detected over the MRM in 13 samples (10 species). We need continuously monitoring to ensure confidence and safety for these herbal medicines. In case of the water-boiled drink, average intake rates of lead, cadmium, arsenic and mercury are 9.77%, 6.72%, 26.1% and 6.79%, respectively.
- keywords
- Herbal medicine, heavy metals (lead, cadmium, arsenic, mercury), ICP-MS, AAS
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