Methods MTT assay and observation of cytopathic effect (CPE) were carried out to determine the cytotoxicity of Alternanthera philoxeroides Griseb on C6/36 cell lines and its effects on dengue virus.

• 方法利用四甲基偶氮唑盐(MTT)法和细胞病变效应(CPE),观察检测空心莲子草对C6/36传代细胞株的细胞毒性作用和抗登革病毒作用。