Source: SEAMEO BIOTROP's Research Grant | 2005
The bark of Albizzia lebeckioides and Albizzia falcataria have been examined for their chemical constituents. A. lebeckioides has yielded the steroidol ketone, stigmasta-4,2,2-dien-3-one, and a triterpene alcohol as the major neutral components. A. falcataria has yielded a similar triterpene and fatty ester as its major constituents. The toxicity of the compounds was evaluated in bioassay against termites. The result showed that lupenone and stigmastadienone were toxic to Neotermes dalbergiae species. In contrast those compounds were less toxic to Cryptotermes cynocephalus species.
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