Gedunin is a pentacyclic triterpenoid with the molecular formula C<sub>28</sub>H<sub>34 </sub>O<sub>7</sub>. It is most notably found in Azadirachta indica, but is a constituent of several other plants. Gedunin shows therapeutic potential in the treatment of leukemia, and Parkinson's disease.
Azadirachta indica is the most notable source of gedunin, but it has also been found in the following plants: