Isolation and characterization of isomeric tibetin spiroethers from the roots of (Kitam.) Kitam.

The roots of (Kitam.) Kitam. (syn.

A comparative study on chemical composition and antibacterial activity of essential oils from the aerial parts and roots of (Siebold & Zucc.) Wedd. growing in the Central Himalayan region.

The GC and GC/MS analysis of the essential oil samples obtained separately from whole aerial parts and the roots of resulted in the identification of a total of 40 compounds from the whole aerial parts and 45 compounds from the roots representing 89.7% and 82.9%, respectively, of the total essential oil composition.