Fig. 5.

Evaluation of the cytotoxicity of Cymbopogon citratus hexane extract on cultured splenocytes of mice sensitized with Bt antigen. Effect of hexane extract of Cymbopogon citratus (CyH) on spleen cells. Cells were exposed to supplemented RPMI medium (Control) or supplemented RPMI medium and various concentrations of CyH (1000 at 1,95 μg/ml) by 48 h at 37 °C in an atmosphere with 5 % CO₂. The MTT assay was performed as described in Materials and Methods