azadirachtin compounds extracted from azadirachta indica, compositions and their use as insecticides

摘要

Storage stable azadirachtin, an insect repellent and insect growth regulator, and insecticidal formulations (emulsifiable concentrate) thereof, are prepared from purified neem kernel extract, with an active ingredient content of 0.3% to 4% and characterized by the absence of gums and aflatoxin spores, for example. The aforementioned formulations contain solvents belonging to the class of aliphatic dihydroxylated alcohols of more than 80% by volume and optionally containing sunscreens and antioxidants.