MUMBAI, India, Oct. 26 -- Intellectual Property India has published a patent application (202611112314 A) filed by Guru Gobind Singh Indraprastha University on September 18, 2026, for Cycas Zeylanica Based Insecticidal Composition And Method For Preparation Thereof.
Inventors include Prof. Leena Khanna; Charu Bhutani; Prof. Sangeeta Talwar; Prof. Pankaj Khanna; and Prof. Rita Singh.
The application for the patent was published on October 23, 2026, under issue no. 43/2026.
Abstract: A Cycas zeylanica based insecticidal composition and method (100) for preparation thereof is disclosed. The method (100) comprises providing leaves of Cycas zeylanica and obtaining a powdered leaf material therefrom, subjecting the 15 g of powdered leaf material to extraction using different solvent systems in 250 ml to obtain a plurality of extracts comprising E1, E2 and E3, wherein E1 is obtained using a dichloromethane solvent system, E2 is obtained using cold methanol, and E3 is obtained using hot methanol, obtaining from the E3 extract a chloroform insoluble sticky fraction designated as E4, evaluating E1, E2, E3 and E4 for insecticidal activity against Nilaparvata lugens; and applying the E4 fraction to a rice plant infested with or susceptible to infestation by Nilaparvata lugens, wherein the E4 fraction provides greater insecticidal activity against Nilaparvata lugens than the E1, E2 and E3 extracts. FIG. 1
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