Figure 1. Effects of ethanol extracts on the viability of lipopolysaccharide (LPS)-stimulated RAW 264 cells. Cells were pretreated with the ethanol extracts of crude drugs for 0.5 h prior to incubation with LPS (100 ng/ml) for 24 h. Cell viability was measured using the Cell Counting Kit-8 assay. Data are presented as the mean±standard deviation (SD; n=4).
