Table 3 Half maximal inhibitory concentration (IC50) and selectivity index (SI) on DENV2 replication of methanolic extracts at 60 and 85 °C and the T. officinale and U. dioica fractions obtained by silica gel chromatography
From: Taraxacum officinale and Urtica dioica extracts inhibit dengue virus serotype 2 replication in vitro
|  | IC50 (μg/ml) | CC50 (μg/ml) | SI |
|---|---|---|---|
T. officinale (60 °C) | 132.50 ± 3.25 | 968.38 ± 37.17 | 7.31 |
U. dioica (60 °C) | 74.51 ± 1.70 | 702.50 ± 14.50 | 9.43 |
T. officinale (85 °C) | 179.1 ± 6.56 | 891.92 ± 29.19 | 4.98 |
U. dioica (85 °C) | 194.7 ± 3.63 | 669.15 ± 17.13 | 3.44 |
T. officinale F-09a | 165.70 ± 3.85 | 925.45 ± 29.27 | 5.59 |
U. dioica F-07a | 126.10 ± 2.80 | 758.25 ± 24.75 | 6.01 |