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Table 3 Cytotoxicity profile of H. Lanceolatum compounds

From: Hypericum lanceolatum (Hypericaceae) as a potential source of new anti-malarial agents: a bioassay-guided fractionation of the stem bark

Compound (code)

CC50 on LLC-MK2 (μg/mL)

Mean SI for W2mef

Mean SI for W2mef

HLT0

37.50 ± 6.25

7.48

6.27

Betulinic acid (HLT1)

25.00 ± 0.00

4.98

4.46

2,2',5,6'-Tetrahydroxybenzophenone (HLT2)

> 100

-

-

5-Hydroxy-3-methoxyxanthone (HLT3)

> 100

-

-

3-Hydroxy-5-methoxyxanthone (HLT4)

12.50 ± 0.00

0.36 ± 0.00

0.36

  1. Cytotoxicity was categorised as follows [15]: CC50 < 1.0 μg/ml (high cytotoxicity); CC50 1.0 -10.0 μg/ml (moderate); CC50 10.0-30.0 μg/ml (mild); and CC50 > 30 μg/ml (non toxic).