Vetiver oil (vetiver essential oil)

Khusimol is among its most concentrated alcohols; the single molecule that gives vetiver its smell, a synthesis study showed, is a trace ketone. The house calls the oil smoky and rooty: our reading, not a source’s.

Read the essay · The card · Next station: extraction · The molecule

The record

Each field carries its evidence: open a chip for the source, the quoted words and the confidence. A field with nothing behind it says so and stays empty.

Name

vetiver oil (vetiver essential oil)

documented

The essential oil of vetiver is obtained in 0.2–0.3 % yield by hydrodistillation of the dried roots of the tufted perennial grass Chrysopogon zizanioides (L.) Roberty.

GC-11 · Ouyang J, Bae H, Jordi S, Dao QM, Dossenbach S, Dehn S, Lingnau JB, Kanta De C, Kraft P, L · read 2026-09-30

confidence A

Kind

natural

perfumery convention

the trade’s shared vocabulary; no single source

a distillate of the roots

confidence B

Botanical

Chrysopogon zizanioides (L.) Roberty

documented

The essential oil of vetiver is obtained in 0.2–0.3 % yield by hydrodistillation of the dried roots of the tufted perennial grass Chrysopogon zizanioides (L.) Roberty.

GC-11 · Ouyang J, Bae H, Jordi S, Dao QM, Dossenbach S, Dehn S, Lingnau JB, Kanta De C, Kraft P, L · read 2026-09-30

confidence A

Part

the dried roots

documented

The essential oil of vetiver is obtained in 0.2–0.3 % yield by hydrodistillation of the dried roots of the tufted perennial grass Chrysopogon zizanioides (L.) Roberty.

GC-11 · Ouyang J, Bae H, Jordi S, Dao QM, Dossenbach S, Dehn S, Lingnau JB, Kanta De C, Kraft P, L · read 2026-09-30

confidence A

Extraction

hydrodistillation

documented

The essential oil of vetiver is obtained in 0.2–0.3 % yield by hydrodistillation of the dried roots of the tufted perennial grass Chrysopogon zizanioides (L.) Roberty.

GC-11 · Ouyang J, Bae H, Jordi S, Dao QM, Dossenbach S, Dehn S, Lingnau JB, Kanta De C, Kraft P, L · read 2026-09-30

confidence A

Grade

not on record

not on record

no grade on record; “Haitian” is an origin, not a filed grade

Descriptors

smoky, rooty

house interpretation

the house’s own reading, labelled as such

the house essay’s words; no descriptor source is filed

where the site says it: /materials, “Haitian Vetiver”

confidence C

Regulation

not on record

not on record

no Regulation record yet

Price band

not on record

not on record

nothing on the site is for sale; GC-11’s price is not used (the decisions log)

Constituents

• khusimol · share not on record
  identity: documented

  VEO presents high concentrations of sesquiterpene alcohol content, and the most concentrated alcoholic molecules found within VEO are khusimol, isovalenenol, and vetiselinenol (Figure 1).

  GC-10 · Barcellos-Silva IGC, Dos Santos FKF, Kharkwal H, Chander S, Kharkwal AC, Awasthi R, Dhiman · read 2026-09-30

  among the most concentrated alcohols of the oil, and in Haitian oil among the metabolites responsible for its odour (GC-10)

  confidence B

  share: not on record

  GC-10 cites a nine-country figure for khusimol (a range of averages) with no method stated: under the site’s rule no share is shown

In teaching accords

• A woody-ambery

Films and plates

• SPEC-5 · vetiver: the /materials specimen still · still
• OR-5 · vetiver: the origin film (the field to the bench) · queued: the master queue lists OR-5 as queued (the render queue’s list, read 2026-09-30); no path until it is rendered and published
  a render-time texture (Rocky Trail 02; a render input only): "Rocky Trail 02", Amal Kumar (Poly Haven), CC0 1.0

Claims register

Every sentence and number the site states about this record, with its status after the 2026-09-27 review.

• softened · Compounds: About two hundred on record (was: Compounds: 300+)
  documented · register row 2280

  GC-10 · Barcellos-Silva IGC, Dos Santos FKF, Kharkwal H, Chander S, Kharkwal AC, Awasthi R, Dhiman · read 2026-09-30

  GC-11: “over 150 compounds” (GC-11); GC-10: “about 200 compounds already listed” (GC-10): “hundreds” is supported loosely; the old “300+” is not supported. the house’s review (2026-09-30, the copy pass): the facts row reads “About two hundred on record” (GC-10)

  where the site says it: /materials, “Haitian Vetiver”

  confidence B

Sources

1. GC-10 · Barcellos-Silva IGC, Dos Santos FKF, Kharkwal H, Chander S, Kharkwal AC, Awasthi R, Dhiman N, Sharma B, Kulkarni GT, Larssen H, Silva JML, Souza MA, Setzer WN, Veiga-Junior VF. Vetiver, Vetiveria zizanioides (L.) Nash: Biotechnology, Biorefineries, and the Production of Volatile Phytochemicals. Plants (Basel) 2025;14(10):1435. DOI 10.3390/plants14101435. PMID 40431000. PMCID PMC12114718. doi.org/10.3390/plants14101435 · read 2026-09-30 · CC BY 4.0 (open access, MDPI, as the article states); short quotes only, the text is not filed
2. GC-11 · Ouyang J, Bae H, Jordi S, Dao QM, Dossenbach S, Dehn S, Lingnau JB, Kanta De C, Kraft P, List B. The Smelling Principle of Vetiver Oil, Unveiled by Chemical Synthesis. Angewandte Chemie International Edition 2021;60(11):5666–5672. DOI 10.1002/anie.202014609. PMID 33315304. PMCID PMC7986879. doi.org/10.1002/anie.202014609 · read 2026-09-30 · CC BY 4.0 (open access, as the article states); short quotes only, the text is not filed

These records are published under CC BY 4.0.

this record as data: /data/material/vetiver-oil.json · version 2 · updated 2026-09-30 · confidence B