Table 3.
Echinacea sp. and plant part | Susceptible viruses | References |
---|---|---|
E. purpurea aerial parts | Influenza virus A (human and avian); influenza B; HSV-1 and -2; coronavirus; respiratory syncytial virus; rhinoviruses | [18,19,22,26] |
E. purpurea roots | Influenza A, HSV-1 | [23] |
E. angustifolia aerial parts | Influenza A, HSV-1, rhinovirus | [22] |
E. angustifolia roots | HSV-1 | [23] |
E. pallida, aerial parts & roots | HSV-1 and -2 | [24] |
E.sanguinea, inflorescence | HSV-1, influenza A | [20] |
Other species | Weak or no activity | [20] |