• Chemical examination of plant insecticides - Part I. Chemical components ofDerris feruginea

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      Permanent link:
      https://www.ias.ac.in/article/fulltext/seca/024/04/0344-0348

    • Keywords

       

      Petroleum Ether; Rotenone; Ether Solution; Mixed Melting Point; Crystalline Component

    • Abstract

       

      Detailed chemical examination of the roots ofD. ferruginea has now been carried out. Of the two varieties, the rotenone-free one is further characterised by not giving any crystalline component. The rotenonebearing variety yields besides rotenone (4·3%), only a small amount of dehydro-rotenone. The chemical chaaracteristics of rotenone-bearingD. ferruginea andD. elliptica are compared. It seems to be possible to use chemical composition to distinguish one from the other.

    • Author Affiliations

       

      N V Subba Rao1 T R Seshadri1

      1. Departments of Chemistry and Chemical Technology, Andhra University, Waltair
    • Dates

       
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