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杜仲药材来源为杜仲科植物杜仲Eucommia ulmoides Oliv.的干燥树皮,主产于四川、贵州、湖北及云南、陕西等地。杜仲始载于《神农本草经》,并将其列为上品,李时珍曰:“昔有杜仲服此得道,因以名之。”据描述及附图,认为古今用药一致。杜仲药材的采收加工杜仲药材的采收一般为定植15年后的4~6月期间剥取树皮,剥皮时先在近地表处将皮环形切割,再将树锯倒,并依次向
Eucommia is originated from the dry bark of the Eucommia ulmoides Oliv. plant in the Eucommia family, and is mainly produced in Sichuan, Guizhou, Hubei, Yunnan and Shaanxi. Eucommia was originally contained in the “Shen Nong’s Materia Medica” and listed it as a top grade. Li Shizhen said: “The past Du Zhongfu got this way because of the name.” According to the description and the attached figures, the ancient and modern medications were consistent. Harvesting and processing of Eucommia ulmoides medicinal materials Eucommia ulmoides medicinal materials are generally harvested during the period from April to June after 15 years of planting. When the skin is peeled, the skin ring is first cut at the near surface, and then the tree is sawn and then turned to