Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Cytotoxicity and anti-HCoV-NL63 activity of Sambucus Formosana Nakai stem ethanol extract and the phenolic acid constituents.
| Cytotoxicity (CC50) | Virus yield (IC50) | Plaque formation (IC50) | Virus attachment (IC50) | |
|---|---|---|---|---|
| Stem ethanol extract | 180.62 ± 63.04 μg/mL | 1.17 ± 0.75 μg/mL | 4.67 ± 1.21 μg/mL | 15.75 ± 6.65 μg/mL |
| Caffeic acid | >500 μM | 3.54 ± 0.77 μM | 5.40 ± 1.20 μM | 8.10 ± 0.05 μM |
| Chlorogenic acid | >500 μM | 43.45 ± 6.01 μM | 44.38 ± 3.64 μM | – |
| Gallic acid | >500 μM | 71.48 ± 18.40 μM | – | – |
