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. 2021 Feb 28;11:45. doi: 10.1186/s13578-021-00564-x

Fig. 4.

Fig. 4

Antiviral determination of ginkgolic acid and anacardic acid against authentic SARS-CoV-2 in vitro. a Cytotoxicity curves of ginkgolic acid and anacardic acid in Vero-E6 cells. The CC50 and CC10 values are displayed in the bottom left corner for each compound. The data represent mean ± standard deviation (SD) of the triplicate measurements. b Plaque reduction assay of ginkgolic acid and anacardic acid as well as GRL-0617 (30 µM) against authentic SARS-CoV-2 at indicated concentrations. **p < 0.01,***p < 0.001; student’s t test