determining the amount of lead heavy metal in lavandula angustifolia medicinal plant

The use of herbs plays an important role in improving the health of human community. considering that, due to people's awareness of the harmful efficacy of chemical and synthetic drugs, the use of medicinal plants has increased, and considering that herbs are considered one of the most important ways of transferring heavy metals to the human food chain, therefore, one of the goals. this research is to determine the amount of lead heavy metals in lavender herbal extracts using blind atomic absorption spectrometry method. according to the obtained results, the average concentration of lead in lavender was 20.83 ppb. which shows the results obtained with the permissible limits set by the who are higher than the permissible limit. according to the results, the consumption of these spirits has dangerous health consequences for consumers. due to the wide consumption of herbal extracts and the possibility of bioaccumulation of heavy metals in the long term, continuous monitoring of heavy metals in herbal products in approved food laboratories is recommended.