Keywords Fructus Arctii,arctiin,arctigenin,total lignanoids,orthogonal experimental design,homogeneous experimental design,HPLC,UV,antiviral of influenza;

• 牛蒡子;牛蒡苷;牛蒡苷元;总木脂素;正交设计;均匀设计;高效液相色谱法;紫外分光光度法;抗流感病毒;