Lianhua Qingwen capsule

Lianhua Qingwen Capsule can increase the level of γ-IFN in mice lungs infected with flu virus.

连花清瘟胶囊能提高流感病毒感染小鼠肺中γ-IFN的水平。

OBJECTIVE To observe the effect of Lianhua Qingwen Capsule on T-lymphocyte subgroup and lung tissue γ-IFN of mice infected with flu virus.

目的观察连花清瘟胶囊对流感病毒感染小鼠T淋巴细胞亚群和小鼠肺组织γ-IFN的影响。

With the expanding actuation duration of the drug, the inhibitory effect of Lianhua Qingwen Capsule against influenza A virus weakened at low concentration, but no change at high concentration(≥ 0.031 g/ mL).

随药物作用时间的延长，连花清瘟胶囊的低浓度抗病毒有效率呈减少趋势，在高浓度时（≥0.031g/mL）其抗病毒能力基本不变。

Lianhua Qingwen Capsule can increase the level of � �-IFN in mice lungs infected with flu virus.

连花清瘟胶囊能提高流感病毒感染小鼠肺中γ-IFN的水平.

Conclusion Lianhua Qingwen Capsule has an obvious effect against human influenza A virus in vitro.

结论连花清瘟胶囊具有明显的体外抗甲型人流感病毒作用。

Phase ⅱ Clinical Study of Lianhua Qingwen Capsule for Influenza

连花清瘟胶囊治疗流行性感冒Ⅱ期临床研究

Determination of Chlorogenic acid in Lianhua Qingwen Capsule by RP-HPLC

RP-HPLC测定连花清瘟胶囊中绿原酸含量

Methods Under different administration modes, the inhibitory effect of Lianhua Qingwen Capsule on human influenza A virus ( H3N2) in vitro and its time-effect relationship were assayed by crystal violet staining assay with ribavirin as positive reference drug.

方法以利巴韦林作阳性对照药物，采用存留细胞结晶紫染色法测定连花清瘟胶囊不同给药方式对甲型人流感病毒H3N2的体外抑制作用及其时效关系。