不宜只服上清液每味中药都含有多种化学成分,中药复方汤剂的化学成分更复杂,有些成分(比如脂溶性成分)在加热时溶于水,但是冷却后又析出沉淀;有些成分相互作用形成复合物,在加热时能溶于水,冷却时则逐渐沉淀析出;有些成分经水解、氧化、聚合等化学作用,逐渐变成不溶物析出;还有胶态成分或混悬微粒,经凝聚后也能产生较多沉淀。因此,汤剂在服用 Should not only serve on the supernatant Each Chinese medicine contains a variety of chemical composition, Chinese medicine compound decoction more complex chemical composition, some ingredients (such as fat-soluble ingredients) dissolved in water when heated, but precipitated precipitation after cooling; some ingredients Interaction to form a complex, soluble in water when heated, and then gradually precipitated when cooled; some of the components of the hydrolysis, oxidation, polymerization and other chemical effects, gradually become insoluble precipitate; There are colloidal components or suspended particles, After condensation can produce more precipitation. Therefore, decoction is taking