Chemical constituents:: Neem oil has various chemical compounds that include Margosic Acid, Nimbin,Nimbidin, Nimbinin, Kaempeerol, Azadirone, Quercursertin, B - Sitosterol, Praisine,Vanilic Acid, Nimbicetin & Meliacins.
Extraction: It is obtained by solvent extraction of seed, fruit or kernel
Industrial uses: It is used for effective control against pests & insects. It could be applied during immature pest stages. It kills the pest immediately. The different parts of neem has following uses :
Neem contains several compounds which have proven medicinal & agricultural uses of high value. The most common use of neem oil is for soap production. This indicates vast scope for expanding neem oil production.
Medicated soaps with neem's odour are also produced on a commercial scale. Neem soaps are now widely available in several countries & are gaining popularity. Neem toothpaste is another commercial item which is widely available in India as well as several European countries. It is being used in other oral hygiene preparations also.
Neem cake has multiple uses. It has varied uses as livestock feed, fertilizer and natural pesticide. It not only provides nitrogen but also inhibits the nitrification process, when mixed with urea, before applying in the field. The use of neem coated urea (90:10) can save about 30% of the total chemical nitrogen requirement of crops, which otherwise would go waste and help in reduction the cost of agricultural production. It is widely used in India as fertilizer for sugarcane, vegetable and other cash crops. Neem cake acts as a pesticide.