Document Type: Research(Original) Article
Today soil and environmental pollution by heavy metals, has become a serious problem for human health. This pollution can be absorbed by agricultural products and enter the body.The purpose of this research is to investigate the contaminant of 2 medicinal plants by 4 heavy metals in shiraz city. To achieve this, 2 kinds of medicinal plants Matricaria chamomilla and Lavandula angustifolia were chosen and then were bought from 6 different herbalist in Shiraz and then were registered in medicinal plants herbarium of school of pharmacy, shiraz university of pharmaceutical sciences. Plarograph was used for measuring the concentration of Copper, Zinc, Cadmium, and Lead in this study. And according to the results, it can be found that the concentration of heavy metals in these two medicinal plants wasn't more than the Standard concentration which was reported for similar plants. And at last it doesn’t need to be worry.