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大黄是常用中药,而且是源于中国的传统良药,它不但受到我国历代医药家的赞誉,并以适应证广、疗效显赫、量多质优而扬名海外。由于地域、气侯、土质不同,其大黄的质量、疗效差异较大,古今药学家认为甘肃、青海一带的掌叶大黄(Rhum palmatum L.)及四川保兴的药用大黄(R.officinale Baill)唐古特大黄(R.tangutium Maxlm ex Balf)质量最好,为道地药材,大量用于出口。但近年来,以陕西陇县、山西天镇县等栽培生产的掌叶大黄,陕西汉中地区、湖北恩施引种的药用大黄,在国内市场上或局部地区作为主流商品行销,且产量也很可观,但质量如何,有必要深入研究。
Rhubarb is a commonly used traditional Chinese medicine, and it is a traditional medicine derived from China. It is not only praised by Chinese medical practitioners, but also famous for its wide acceptance, wide range of clinical effects, and high quality and quantity. Due to the differences in area, climate, and soil quality, the quality and curative effect of rhubarb differ greatly. Ancient and modern pharmacists believe that Rhum palmatum L. in Gansu and Qinghai and medicinal Rhubarb in Baoxing, Sichuan Province (R.officinale Baill). ) R.tangutium Maxlm ex Balf is the best quality, authentic Chinese medicinal material, and used for export. However, in recent years, medicinal rhubarb, which is cultivated and produced in Gansu County, Shanxi Province, Tianzhen County, Shanxi Province, Hanzhong District of Shaanxi Province, and Enshi County of Hubei Province, has been marketed as a mainstream commodity in the domestic market or in some areas, and its production is also considerable. , but how is the quality, it is necessary to study in depth.