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杜仲为杜仲科植物杜仲Eucommia ulmoides Oliv.的树皮,属常用中药,始载于《神龙本草经》,列为上品,有补肝肾,强筋骨,安胎之功效。临床用药加上出口,需求量较大,但因其生长期长,加上为保护资源,历来采用“局部剥皮法”取材,因此常常是因货源短缺而供不应求,为缓解这一矛盾,满足市场需要,现有人试验成功“环切再生多次剥皮法”。为了验证环切后再生的杜仲树皮质量,在生药性状、显微特征、化学定性、浸出物含量等方面与原生杜仲树皮作了比较性
Eucommia is the bark of Eucommia ulmoides Oliv., a Eucommia ulmoides Oliv. plant of the Eucommia family. It is commonly used in traditional Chinese medicine. It was originally included in the “Dragon Herbal Classics,” and it is listed as a top grade product. It has liver and kidney function, strong bones and muscles, and tocolysis. Clinical drugs plus exports have a large demand, but due to their long growth period and the protection of resources, they have traditionally used the “local peeling method” to obtain supplies. Therefore, it is often due to supply shortages and supply exceeds demand. To alleviate this contradiction, the market is satisfied. Needs, the existing people successfully tested “circumcision regeneration multiple peeling method.” In order to verify the quality of Eucommia bark regeneration after excision, comparisons were made with raw bark of Eucommia ulmoides in terms of crude drug properties, microscopic characteristics, chemical characterization, and extract content.