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大青叶为中医常用药。据现代文献记载,其药用品种颇为复杂,就目前商品药材大青叶的原植物来看,已不下六种,分属于五个科,兹列表于下: 关于药用大青叶的正确来源亦即其正品为何种植物,说法甚多,意见颇不一致。七七年版《中国药典》收载了欧州藕蓝和蓼蓝,前者药材名“大青叶”,后者名“蓼大青叶”。然有人认为历代本草著作中所说的大青应是马鞭草科植物路边青,所以它是大青叶的正品。对于怎样判定中药正品的孰是孰非问题,笔者赞同高晓山先生的观点,即中药材正品的判定标准是中医临床实践,疗效是判断药材真伪的最终尺度。为此,本文拟就大青叶之历代本草应用源流作一肤浅探讨,并就其药名问题提出初步意见。一、大青叶的本草文献考察 1.大青叶名
Daqingye is commonly used in traditional Chinese medicine. According to modern literature, its medicinal varieties are quite complex. As far as the original plants of the medicinal herbs Daqingye are concerned, no fewer than six species belong to five families, and they are listed below: Correctness of Medicinal Folium Isolates The source is also what kind of plant it is genuine. There are many claims and opinions are quite inconsistent. The Chinese version of the “Chinese Pharmacopoeia” in the seventy-seventh edition contains European indigo and indigo. The former is called “Daqingye” and the latter is called “Daiqingyeye.” However, some people think that the Daqing mentioned in ancient Chinese herbal works should be the roadside green of Verbenaceae, so it is a genuine product of Daqingye. Regarding how to determine the authenticity of traditional Chinese medicine is a non-problem, I agree with Mr. Gao Xiaoshan’s point of view that the standard for determining the authenticity of Chinese herbal medicine is the clinical practice of Chinese medicine, and the curative effect is the ultimate criterion for judging the authenticity of medicinal materials. For this reason, this article intends to make a shallow discussion on the origin of the application of the Daqingye herb and its preliminary opinions on the drug name. I. Inspection of the Daqingye herbal literature 1. Daqingye name