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영어

To search the properties of herbal medicines that have been used for the prevention and treatment of hypertension. Herbal materials of which pharmacological effects were registered in The dictionary of chinese crude drugs (Zhong yao da ci dian, ) 2nd edition were investigated 中藥大辭典 and analyzed. The herbal materials which have anti-hypertensive effect were further analyzed according to the origin, medicinal part, nature, flavor, and meridian tropism of herbal medicines. Overall 288 species of herbal materials showed anti-hypertensive effect. In the medicinal part, the ratio of whole plant was higher than other parts, but the ratio of fruits or seeds are lower than common materials. The natures of cold and cool occupied 47.3%, and the ratio of cool nature was higher than common materials, but the ratio of little cold and warm nature was lower than common materials. Among flavors, bitterness was 38.4% which was higher than other flavors, and the ratio of sweetness and astringency was lower than common materials. Liver and gallbladder meridian exhibited 26.5% of the meridian tropism of herbal medicine, and the ratio of liver meridian was higher than common materials, but the ratio of stomach meridian was lower than common materials. For future study of prevention and treatment for anti- hypertension, useful herbal medicines will be required to preferentially searching for the property which has bitter, cool and liver meridian.