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中药知母为百合科植物知母 Anem arrhena asphodeloid esBunge的干燥根茎 ,具有清热、泻火之功效 ,为常用中药。商品药材分为毛知母、知母肉两类。为考察这两类药材的流通情况以及资源分布 ,我们收集了国内知母药材使用量较大的省、自治区、直辖市的药材公司或医疗单位的知母药
The Chinese medicine Anemarrhenae is the dry rhizome of Anem arrhena asphodeloid esBunge, an anemone of Liliaceae. It has the efficacy of clearing away heat and purging fire and is a commonly used traditional Chinese medicine. Commodity herbs are divided into two types: Mao Zhimu and Zhimu. In order to investigate the distribution and resource distribution of the two types of medicinal materials, we have collected herbs from medical companies or medical institutions in provinces, autonomous regions, and municipalities with large amounts of domestic herbal medicines.