杜仲具有补肝肾、强筋骨、安胎、降血压的功效,炮制品种有炒杜仲、盐杜仲和杜仲炭。目前杜仲的生药药源有限,且较贵重,炮制方法不当不仅会浪费药材,而且对医疗会产生不良影响,所以对杜仲的炮制方法有较高的要求. 笔者在多年的炮制工作中,对杜仲炭的炮制总结出了一些经验,可以克服杜仲炒炭时因受热不均所产生的一部分灰化,一部分未受热的缺点,从而达到炒炭存性的最佳效果.具体方法如下。 Eucommia has functions of supplementing liver and kidney, strong bones and muscles, tocolysis, and lowering blood pressure. The processed products include fried Eucommia ulmoides, salt Eucommia, and Eucommia ulmoides carbon. Currently, Eucommia has a limited amount of crude drug sources and is more expensive. Improper processing methods not only waste medicinal materials, but also have adverse effects on medical treatment. Therefore, there is a high demand for the processing methods of Eucommia. The author has worked on many years of concocting work to Eucommia. The processing of charcoal summed up some experiences that can overcome some of the ashing caused by uneven heating and some of the unheated defects of eucommia sinensis, so as to achieve the best effect of charcoal storage. The specific methods are as follows.