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制备汤剂时对某些药(如车前子、葶苈子、菟丝子等)需采用包煎。经长期的实践发现,包煎对药物煎煮后过滤虽有一定好处,但对成分浸出的影响则易被人们所忽视。笔者对几种常用包煎的药物进行了初步实验,以观察包煎对包煎药物及其他药物成分浸出的影响。1 实验方法1.1 以含粘液质
Preparation of decoction for certain drugs (such as psyllium, wolfberry fruit, dodder seed, etc.) must be packaged fried. After long-term practice, it has been found that although the packaged frying has certain benefits for the filtration of the drug after decocting, the effect on the leaching of the components is easily overlooked. The author carried out preliminary experiments on several commonly used drugs to observe the effects of packet decoction on leaching of decocted drugs and other pharmaceutical ingredients. 1 Experimental method 1.1 With mucus