Marker Amount ofextract present(µg) Amount ofmarker added(µg) Amount ofmarker found(µg) Recovery*(%) AverageRecovery(%)   0.062 0.16 0.22376 100.81 99.92 0.062 0.2 0.26212 99.72 0.062 0.24 0.29964 99.22 *Mean ± SD (n=3)

Table 4: Recovery studies of Allethrin at 80%, 100% and 120% addition by the proposed TLC densitometric method.