Linalool-rich essential oil from the rhizomes of Zingiber roseum Rosc.

The combination of GC and GUMS analysis of the essential oil obtained from the rhizome of Zingiber roseum Rose. revealed the presence of over 44 compounds of which 36 compounds have been identified comprising 94.9% of the oil. The oil was found to be rich in linalool (53.3%) with lesser amounts of limonene (14.0%), beta-pinene (9.3%) and alpha-pinene (4.4%) being among the other constituents. The marker components of the family Zingiberaceae such as borneol (0.9%) and beta-eudesmol (1.4%) were found to be present in relatively low concentrations in the oil. This is the first report on composition of the oil from rhizome of Z. roseum.