Figure 2.

Percentage inhibition of monkey kidney cells lines maintained in culture for four days before exposure to Euphorbia hirta extracts for two days2. 2. Percentage inhibition of potassium cyanide (KCN) at 103 μg/ml = 52.8%; the optical density (OD) values for 1% DMSO (solvent control) = 0.109, cells cultured in plain culture medium = 0.149, and for heat killed cells = −0.037 (negative figures imply promotion of cell maintenance).

Attah et al. BMC Complementary and Alternative Medicine 2013 13:66   doi:10.1186/1472-6882-13-66
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