GC-MS analysis, antibacterial activity and genotoxic property of Erigeron mucronatus essential oil.

GC-MS analysis of the hydrodistilled oil of Erigeron mucronatus DC was carried out, after the separation of a crystalline compound, lachnophyllum cumulene. Twenty-four components were identified. The oil contained 59.

Chemical constituents from Clerodendron serratum.

A new compound, serratin, was isolated from the essential oil of Clerodendron serratum along with lupeol. The structure of the compound has been elucidated on the basis of chemical analysis and spectroscopic methods including IR, MS, and NMR techniques.