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Tuyển tập các báo cáo nghiên cứu về y học được đăng trên tạp chí y học Critical Care giúp cho các bạn có thêm kiến thức về ngành y học đề tài: Mapping the potential distribution of high artemisinin-yielding Artemisia annua L. (Qinghao) in China with a geographic information system. | Huang et al. Chinese Medicine 2010 5 18 http www.cmjournal.Org content 5 1 18 CHINESE MEDICINE RESEARCH Open Access Mapping the potential distribution of high artemisinin-yielding Artemisia annua L. Qinghao in China with a geographic information system Linfang Huang Caixiang Xie Baozhong Duan and Shilin Chen Abstract Background Artemisia annua L. is an important source for artemisinin a potent drug for treating malaria. This study aims to map and predict the potential geographic distribution of A. annua L. in China. Methods The Geographic Information System for traditional Chinese medicine TCM-GIS was developed and used to map the potential geographic distribution of A. annua L. Results Climatic edaphic and topographic characteristics of A. annua L. microhabitats in Youyang County were mapped to find distribution patterns. The maps identified that certain habitats in the Chongqing region and some potential regions especially in Guizhou Province possess similarity indices of 98 . In particular high quality microhabitats A. annua L. were found in the Wuling mountains region. Conclusion The present study demonstrates a GIS approach to predict potential habitats for A. annua L. TCM-GIS is a powerful tool for assessing bioclimatic suitability for medicinal plants. Background Artemisia annua L. Qinghao Annual Wormwood is a strongly fragrant annual herbaceous plant used in Chinese medicine 1 . A. annua L. is the only natural botanical source for artemisinin Qinghaosu 2 3 and a potential source for essential oils for the perfume industry 4 . A. annua L. is now cultivated in China Vietnam India Romania Kenya and Tanzania 5 . Artemisinin an endoperoxide sesquiterpene lactone in the aerial parts of A. annua L. is more efficacious faster and less toxic than chloroquine in treating malaria. In addition artemisinin is a potent anti-cancer agent a possible antibacterial agent as well as a natural pesticide 6 7 . Chemical and biological synthesis of artemisinin is still under .
