组织鉴定是中药鉴定的方法之一。取材的时间、部位和方向,影响到组织切片的质量。一、取材的时间同一株植物在不同的生长发育时期,构造和代谢产物常常会发生变化。淀粉粒和菊糖都是植物细胞的代谢产物,是通过逐渐积累并贮藏于细胞里的,它们的形态特点常常是某些植物的鉴定特征。但是它们 Tissue identification is one of the methods for identification of traditional Chinese medicines. The time, location, and direction of the material affected the quality of the tissue section. First, the time taken to obtain the same plant in different growth and development period, the structure and metabolites often change. Starch granules and inulin are metabolites of plant cells, which are accumulated and stored in cells. Their morphological characteristics are often the characteristics of certain plants. But they