Keywords Licorice;flavonoids;extraction and separation;liquiritin;HPLC;UV-spectrophotometry;total flavones;fingerprint;similarity analyse;

• 甘草;黄酮类;提取和分离;甘草苷;高效液相色谱法;紫外分光光度法;总黄酮;指纹图谱;相似度分析;