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Table 1 In vitro antiplasmodial activity, cytotoxicity, and selectivity index of the plant extracts

From: In vitro antiplasmodial activity of crude extracts of Tetrapleura tetraptera and Copaifera religiosa

Plants species

Voucher number

Extract

Antiplasmodial activity

(IC50, μg/ml)a

Cytotoxicity MRC-5

Selectivity Indexc

   

FCB

3D7

(CC50 μg/ml)b

FCB

3D7

Copaifera religiosa

D. N. 584

CH2Cl2

13.4 ± 3.6

8.5 ± 4.7

4.87 ± 0.5

0.37

0.61

  

CH3OH

500.7 ± 16.4

480.9 ± 34.2

NT

ND

ND

Tetrapleura tetraptera

J.J. WIE 6388

CH2Cl2

10.1 ± 3.2

13.0 ± 5.1

79.9 ± 24.3

7.91

6.15

  

CH3OH

34.6 ± 4.7

29.6 ± 6.9

89.4 ± 10.8

2.58

3.02

Chloroquine

  

324.8 ± 16.8 nM

7.9 ± 2.3 nM

   
  1. a: IC50: (Inhibition concentration 50%) is the drug concentration that reduced parasitemia by 50%
  2. b: CC50: (Cytotoxic concentration drug 50%) is the drug concentration that reduced the number of viable MRC-5 cells by 50%
  3. c: Selectivity index = Ratio CC50/IC50
  4. NT: Not Tested
  5. ND: Not Determined