Research Article

Isolation, Purification, and Characterization of Homogenous Novel Bioactive Protein from Datura stramonium Stem Exhibited Larvicidal Activity against Anopheles stephensi

Table 3

The LC50 and LC90 values of crude and purified plant proteins against third instar larvae of An. stephensi.

Mosquito speciesProtein extractLC50 (mg/ml)LC90 (mg/ml)Regression equationR295% confidence intervals (LCL–UCL)

An. stephensiCrude protein0.4895.43Y = 0.0221x + 4.2590.8965.08–5.68
Purified protein0.0250.04Y = 0.0391x + 3.3570.95341.73–6.28

R = coefficient of regression equations; LC50 = lethal concentration that kills 50% of larvae; LC90 = lethal concentration that kills 90% of larvae.