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Table 1 Cytotoxicity scoring of

From: Antiviral and virucidal activities of Duabanga grandiflora leaf extract against Pseudorabies virus in vitro

Conc. (μg/mL)

D. grandiflora leaf extract

37 L H

37 L ET

37 L EA

62.5

3

3

3

125

3

3

3

250

3

2

2a

500

2

2

2

1000

2a

2a

2

  1. aScored for concentration near to CC50. Score 1 = severely cytotoxic. Almost complete cell destruction and lysis of the cells (~100 % of cells were lysed), 2 = significantly cytotoxic (~70 % of cells were lysed), 3 = moderately cytotoxic (~50 % of cells were rounded), 4 = mildly cytotoxic. Approximately 20 % of cells appear rounded, loosely attached, without intracytoplasmic granules, 5 = non-cytotoxic (~100 % of culture flask surface were covered by cells). 37 L H, 37 L ET, and 37 L hexane, ethanol, and ethyl acetate extract, respectively