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黄柏为芸香科植物黄皮树或黄蘗的干燥树皮。前者习称川黄柏,后者习称关黄柏。黄柏中含有多种生物碱,其中小蘗碱为其主要的有效成份,药材黄柏的质量控制往往也以小蘖碱的含量作为指标。黄柏中有效成份的提取及分离通常采用层析的方法,其中展开剂的选择是很重要的。如果能够正确地选择一种理想的展开剂,它可以使黄柏中所含的各种成份尽可能的展示出来,形成一个分离色谱,以达到能区别所含成份的异同多寡之
Phellodendron chinense is the dry bark of the yellow bark or yellow peony of Rutaceae. The former learned Chuan Huangbo, the latter used to call Guan Huangbo. Phellodendron contains a variety of alkaloids, of which berberine is the main active ingredient. The quality control of medicinal herbs Phellodendron berberine is often used as an indicator. The extraction and separation of active ingredients in Phellodendron amurense is usually by chromatography, and the choice of developer is very important. If an ideal developer can be correctly selected, it can display the various ingredients contained in the cork as much as possible to form a separation chromatogram to achieve the similarities and differences that can distinguish the contained ingredients.