The effect of Artemisia sieberi extracts on the Formation of β-Hematin
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The aim of the study is to assess the effect of Palestinian flora Artemisia sieberi extract against the formation of β-hematin in-vitro. β-hematin is a synthetic polymer made of ferriprotoporphyrin-IX and is structurally, chemically and spectroscopically identical to purified hemozoin formed during the intra-erythrocytic stage of Plasmodium life cycle. As strains of the malaria parasite Plasmodium emerged gaining resistance to the known drugs used such as chloroquine, amodaquine, artemisinin, the search for new anti-malarial drugs has become a must. Natural compounds were used throughout time as drugs and the history of anti-malarial drugs is linked with the history of herbal medicinal products. As an attempt to find new anti-malarial drugs, the potential inhibitory effect of Artemisia sieberi plant parts were studied using a semi-quantitative method. Leaves, flowers and stems were collected from various areas around Jerusalem, dried at room temperature and separately ground. Extraction was performed by soaking dried plant parts in 35% ethanol or ultrapure water. Extracts were filtered, rotary evaporated at 50°C and then lyophilized to a constant weight. Results of this study showed the alcoholic stem extract was the strongest in preventing the formation of β-Hematin when compared to that of the leaf or flower extracts. However the need to find the active components of this herbal extract requires further studies.