Picrasin B (Nigakilactone I) can be isolated from the bark of Picrasma quassioides. Picrasin B shows antifeedant and insecticidal activity against Diamondback Moth[1].
Definition
ChEBI: Picrasin B is a triterpenoid.
References
[1] Daido M, et al. Antifeedant and Insecticidal Activity of Quassinoids against Diamondback Moth (Plutella xylostella). Biosci Biotechnol Biochem. 1993 Jan;57(2):244-6. DOI:10.1271/bbb.57.244
