Active Constituents of Neem


There are many active compounds found in the neem tree. The most common ones are: 

Azadirachtin: Provides repellant, anti-hormonal and anti-feedant properties
Nimbin: Provides anti-inflammatory, anti-pyretic, antihistamine and antifungal properties
Nimbidin: Provides antibacterial, anti-ulcer, analgesic, anti-arrhythmic and antifungal properties
Nimbidol: Provides anti-tubercular, anti-protozoan and antipyretic properties
Sodium nimbinate: Provides diuretic, spermicidal and anti-arthritic properties
Gedunin: Provides vasodilator, anti-malaria and antifungal properties
Salannin: Provides repellant properties
Quercetin: Provides anti-protozoal, antioxidant, anti-inflammatory and antibacterial properties

Neem seed oil contains the major concentrations of theses active compounds alongwith many fatty acids like oleic acid, stearic acid, palmitic acid, linoleic acid, etc.. Lesser amounts of these active compounds are also found in neem leaves and bark.

Source: and other published articles on neem. This page is for informational purposes only.



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