Identification of Azadirachtin in Tissue-Cultured Cells of Neem (Azadirachta Indica)

Abstract
The natural insecticide azadirachtin (1) has been isolated from dried cells of the Neem tree (A. indica) grown in tissue culture on a synthetic medium and shown chemically to be identical with the compound isolated from the seeds of the Neem tree, by 1H NMR and mass spectra.