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International Journal of Phytomedicine and Phytotherapy

Table 1 Cytotoxicity of herbal extracts in Vero cells. Half-maximal cytotoxic concentrations (CC50) as determined by MTT assay

From: The potential of herbal extracts to inhibit SARS-CoV-2: a pilot study

  Uninfected cells Infected cells
BRO TI 1:174 1:153
BRO TP 1:153.5 (651 µg/ml) 1:156.7 (638 µg/ml)
IMU 1:94.6 1:73.8
SINx 1:58.9 (1,698 µg/ml) 1:52.6 (1,901 µg/ml)
TOP 1:17 1:6.75
Solvent (ethanol) 1:6.3 1:1.73