Insecticidal extract from legume plants and method of preparing the same

摘要

The invention may be summarized as follows. The present invention provides insecticides comprised of naturally-occurring compounds, such as, for example, PA1b-related peptides and terpenoid saponins. The present invention also provides for identification and characterization of a synergistic insecticidal effect between peptides and saponins extracted from plants. Furthermore, simplified extraction procedures are provided that avoid the use of a chloroform defatting step or a column chromatography step.