Heavy metals concentrations in medicinal plants
2008
Dayang, S.N | Irwan, Z.M. | Hasliza, N. | Rosazlin, A. | Fauziah, C.I.(eds.), Putra Malaysia Univ. (UPM), 43400 UPM Serdang, Selangor (Malaysia). Faculty of Agriculture. Dept. of Land Management.
The success of medicinal plants domestication programme will avoid further depletion of these resources to meet the demand of raw materials for the herbal industries. But, there are also negative impacts attached to the domestication process of medicinal plants. Metals are probably the oldest toxins known to man. A total of 21 samples of 6 different commonly used medicinal plants were collected from domesticated and forested (wild plant) area. The main objective of this study is to monitor the impact of domestication of medicinal plants on plant quality in terms of heavy metal content. The determination of As, Pb and Cd were done using the graphite furnace atomic absorption spectrophotometer (AAS) equipment, while the determination of Ni, Cr, Cu and Zn were done using atomic absorption spectrophotometer (AAS).
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