nicotine

            Nicotine is an alkaloid compound found in tobacco plants as a natural insecticide and potential replacement for synthetic insecticides. Nicotine has biodegradable properties by natural factors so that does not leave a residue on the host plant. Isolation of nicotine can be done by maceration technique and followed by solvent extraction using chloroform. Isolation technique is quite simple and can produce isolates that contain nicotine in concentrations large enough and relatively unspoiled. The purpose of this study was to determine the time and the optimum volume for isolate maceration nicotine than 50 grams of dried tobacco leaves and to know pengruh rough isolates nicotine as natural insecticides against armyworms (Spodoptera litura).