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煎煮药材可是一门学问,不但对器皿、浸泡时间、加水量和火力有要求,不同的药材,煎煮时间也有不同限定。煎药前用凉开水浸泡,可以让药材中的成分先释放出来。如果是叶、花类,需浸泡一个小时左右。如果是根、果实类,则一般要浸泡两个小时以上。夏天浸泡的时间可短一些,冬天则略长一些。总之,室温越高浸泡时间越短。第一次煎煮的水量应超过药物表面2~3厘米,同时要注意,一些叶类、草类和花类的药材吸水较多,在煎煮的过程中要适当地加点水,以免熬干。一般中药材需用文火和武火交替煎煮,头煎控制在20~25分钟,二煎在15~20分钟;清热解表剂,头煎要在10~15分钟,二煎在10分钟左右;补益剂,头煎在30~40分钟,二煎在25~30分钟,而且开始要用武火煎煮,煮沸后
However, a learned medicine, not only on the vessels, soaking time, water and firepower requirements, different herbs, boiling time has different restrictions. Soaked in boiling water before decoction, you can let the ingredients in medicine first released. If it is leaves, flowers, need to soak for about an hour. If it is root, fruit category, then generally have to soak more than two hours. Summer soaking time can be shorter, winter is slightly longer. In short, the higher the room temperature soaking time is shorter. The first boiling water should be more than 2 to 3 cm of the surface of the drug, while taking note that some of the leaves, grasses and flowers medicinal absorption of more boiling water in the process of boiling, so as not to boil dry . General Chinese herbal medicine should be used slow and slow fire Alternate decoction, the first decoction control in 20 to 25 minutes, two fried in 15 to 20 minutes; Qingrejie Tablets, the first fried to 10 to 15 minutes, two fried in about 10 minutes; Replenisher, the first fried in 30 to 40 minutes, the second fried in 25 to 30 minutes, and began to use the Armageddon decoction, after boiling