Karanjin is a

furanoflavonol Furanoflavonoids are flavonoids possessing a furan group. An example of such a compound is karanjin Karanjin is a furanoflavonol, a type of flavonoid. It is obtained from the seeds of the karanja tree (''Millettia pinnata'' or ''Pongamia glabr ...

, a type of

flavonoid Flavonoids (or bioflavonoids; from the Latin word ''flavus'', meaning yellow, their color in nature) are a class of polyphenolic secondary metabolites found in plants, and thus commonly consumed in the diets of humans. Chemically, flavonoids ...

. It is obtained from the seeds of the karanja tree ('' Millettia pinnata'' or ''Pongamia glabra'' Vent.), a tree growing wild in south India. Karanjin is an acaricide and

insecticide Insecticides are substances used to kill insects. They include ovicides and larvicides used against insect eggs and larvae, respectively. Insecticides are used in agriculture, medicine, industry and by consumers. Insecticides are claimed to b ...

. Karanjin is reported to have nitrification inhibitory properties.

References

Flavonols Furans Phenol ethers {{organic-compound-stub