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Isolation, Identification and Characterization of Rotenoids from Cajanus Cajan (L.) Millsp.(Leguminoseae)

Chaturvedi P.*, Khanna P. and Chowdhary A.


Natural insecticides now-a-days have a bright future because synthetic insectides are harmful to humanbeings. Among botanical pesticides, the rotenoids standout for their potency and effectiveness againstmany crop pests and are fifteen times more toxic than the nicotinic acid. Cajanus cajan primarily grownas a grain crop for human consumption (pulse, vegetable) and has not been analysed for its rotenoidalcontent. Chromatographic analysis showed the presence of four rotenoids namely elliptone, deguelin,rotenone and tephrosin, which were identified by co-tlc, melting point, GLC and IR spectral studies withthat of the standard reference compounds. In the present investigation, rotenone (0.37 mg/gdw) wasfound in maximum quantity which was followed by deguelin (0.27 mg/gdw), tephrosin (0.21 mg/gdw)and elliptone (0.15 mg/gdw).
Year 2013 | Volume No. 50 | Issue No.8 | Page No. 27
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