Botanical Name: Azadirachta indica A.Juss. syn. Melia azadirachta Linn.
Sanskrit Name: Nimba
English Name: Nimb tree, Margosa tree.
Family: Meliaceae
Occurrence: Wild in dry forest , planted all over India.
Habit: Tree
Parts used:

Bark, leaves, oil, flowers, gum

Medicinal uses:

It is the famous Indian plant which is screened, manipulated and patented. Govt. of India such as the Council for Scientific and Industrial Research(CSIR) joined the patent war by filing many patents in India and the U.S. eg. relating to the use of this plant. Bark is bitter tonic, astringent and antipriodic. Leaves are applied on the boils as poultice. Decoction of leaves is considered antiseptic and used in ulcers and eczema. Gum is demulcent and tonic and used in catarrhal and affections. Dry flowers are also tonic and sotmachic. Juice of bark and leaves is reported to be used to control diabetes. Fruites are purgative, emollicent and anthelmintic. Bitter oil is stimulant, antiseptic, alterative and used in rheumatism and skin diseases. Bitter oil and decoction of leaves are promising herbal pesticides of the future without any harmful effect to humans. It is systemic insecticide and able to control more than 60 varieties of insects. The potential role of this plant in cancer therapeutics is a mater of research in 21st century.

Chemical constituents :




Seeds contain 45% oil. bitterconstituents seperated from oil are- Nimbin, Nimbinin, Nimbidin. Nimbidin is the main active constituent and contains Sulphur. Flowers yield a glucoside nimbosterin(0.005%) and 0.5% of a highly pungent essential oil Nimbosterol, Nimbecetin and fatty acids. Fruits contain bitter principle Bakayanin.