Research Article

In Vitro Cercaricidal and Schistosomicidal Activities of the Raffia Wine and Hydroethanolic Extracts of Pedilanthus tithymaloides Linn (Poit). Stem Barks

Table 3

Cytotoxicity profile and selectivity index of Pedilanthus tithymaloides extracts for the cercaricidal and schistosomicidal activities.

CytotoxicityCercaricidal activitySchistosomicidal activity
ExtractsConcentrations (μg/mL)Inhibition rates (%)CI50 (μg/mL)LC50 (μg/mL)SILC50 (μg/mL)SI

RwPt100032.27 ± 0.16>1000665.14 ± 42.41>1.50>2000<1
50023.69 ± 0.03
25018.67 ± 0.57
12516.24 ± 1.01
62.515.67 ± 0.75
31.2513.65 ± 0.15
15.6259.03 ± 1.03

HePt100050.17 ± 0.23983.50±7.7519.26 ± 1.2251.06731.171.34
50036.72 ± 3.51
25037.10 ± 1.92
12539.47 ± 0.28
62.537.35 ± 1.44
31.2535.09 ± 1.36
15.62527.63 ± 0.20

SI: selectivity index. RwPt: raffia wine extract of Pedilanthus tithymaloides stem bark. HePt: hydroethanolic extract of Pedilanthus tithymaloides stem bark.