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汤剂是中医使用最广泛的剂型,其煎煮方法正确与否和疗效密切相关。为提高汤剂的临床疗效,笔者对中药煎煮过程中影响汤剂质量的几个环节探讨如下: 一、加水量与浸泡煎药时加水量不足,是影响汤剂疗效的常见原因。有人曾调查4所医院的71付汤剂的煎煮过程,发现加水量普遍不足,其煎出物只相当于加水量充足时煎出物的1/5～1/2。一付汤剂的标准加水量,应为药物的吸水量,及煎煮过程中水的蒸发量及煎煮后所得药液量(即服用量)之和。其中,服用量和蒸发量可以人为控制,因此药材吸水量则成为影响水量的重要因
Decoction is the most widely used dosage form in traditional Chinese medicine. The decoction method is closely related to the correctness and efficacy of the decoction method. In order to improve the clinical efficacy of decoction, the author discusses several aspects of decoction quality in the boiling process of traditional Chinese medicine as follows: First, the amount of water added and the amount of water added when the decocting agent is deficient is a common cause of decoction efficacy. Some people had investigated the decoction process of 71 decoctions in 4 hospitals and found that the amount of water added was generally insufficient. The decoction was only equivalent to 1/5 to 1/2 of the decoction when the amount of water was sufficient. The standard amount of water for a decoction should be the sum of the amount of water absorbed by the drug, the amount of water evaporated during boiling, and the amount of liquid (ie the amount taken) after decocting. Among them, intake and evaporation can be controlled by humans, so the amount of water absorbed by herbs is an important factor affecting the amount of water.