Author/Authors :
Shawkat, Muayad S. University of Baghdad - College of science - Department of Biotechnology, Iraq , Khazaal, Ali Q. University of Baghdad - College of Science - Department of Biotechnology, Iraq , Majeed, Majid R. University of Baghdad - College of Science - Department of Biotechnology, Iraq
Abstract :
The production of Pyrethrins as an insecticide from Chrysanthemum cinerariaefolium flowers was studied. The crude active compound was extracted using organic solvents. Detection by HPLC proved that the extract contained Pyrethrin I and Pyrethrin II compared to the standard compounds. The flowers extract showed active biological effect against beetle flour Tribolium castanum reached 100% at the concentration 40% while the mortality percent reached 60, 77%when the concentration decreased to 20 or 30% respectively
