title: Highly volatile constituents of Vetiveria zizanioides roots grown under different cultivation conditions.
abstract: Roots of Vetiveria zizanioides Nash (Mae Hae; Thai ecotype) planted in three different cultivation systems (normal soil, normal soil with added microbes and semi- hydroponically) were extracted using a simultaneous steam distillation and solvent extraction (SDE) apparatus. Yields of the essential oils obtained were 0.27, 0.18 and 0.06%, respectively. The separation profiles obtained by comprehensive two-dimensional gas chromatography (GCxGC) and solid phase microextraction (SPME)-GCxGC analyses of the crude essential oils showed a total of 156 and 48 well-resolved components, respectively. The highly volatile fractions isolated from the three essential oils by SPME were subjected to analysis by GC-MS and 42 compounds were identified in total. Volatile component profiles of the oils obtained by normal soil and semi-hydroponic cultivation were similar, whereas a quantitative difference was noted in some major volatiles when the cultivation system containing microbes was utilized.
authors.affiliation: Department of Chemistry, Faculty of Science, Chiang Mai University, Chiang Mai, 50200, Thailand.
authors.forename: Patcharee
authors.initials: P
authors.lastname: Pripdeevech
authors.forename: Sugunya
authors.initials: S
authors.lastname: Wongpornchai
authors.forename: Ampan
authors.initials: A
authors.lastname: Promsiri
mesh_terms: D049930:Chrysopogon / Q000737:chemistry* / Q000254:growth & development*; D008401:Gas Chromatography-Mass Spectrometry; D018527:Hydroponics; D009822:Oils, Volatile / Q000737:chemistry*; D018517:Plant Roots / Q000737:chemistry* / Q000254:growth & development*; D012717:Sesquiterpenes / Q000737:chemistry; D052617:Solid Phase Microextraction; D014835:Volatilization
chemical_list: D009822:Oils, Volatile; D012717:Sesquiterpenes