JOURNAL OF ESSENTIAL OIL RESEARCH, vol.21, no.5, pp.437-440, 2009 (Journal Indexed in SCI)
The volatile constituents isolated from roots and rhizomes of Valeriana phu L. were investigated by GC and GUMS (EI) analysis. The roots and rhizomes yielded 0.64% (v/w) essential oil on a dry weight basis. From the oil 70 compounds Could he identified with a valerenal isomer (11.3%), valerianol (3.1%), patchouli alcohol (2.9%) and valeranone (2.2%) as the main components. One new component was isolated and identified as 1-hydroxy-1,11,11-trimethyldecahydrocyclopropane azulene-10-one for the first time in V. phu.