Fraxidin is a class of coumarin isolated from the roots of Jatropha podagrica, exhibits antibacterial activity against Bacillus subtilis with an inhibition zone of 12 mm at a concentration of 20 µg/disk[1][2].
[1]. Kim NY, et al. In vitro inducible nitric oxide synthesis inhibitory active constituents from Fraxinus rhynchophylla. Planta Med. 1999 Oct;65(7):656-8.
[2]. Minh TN, et al. Isolation and Purification of Bioactive Compounds from the Stem Bark of Jatropha podagrica. Molecules. 2019 Mar 3;24(5). pii: E889.