Vetiver oil

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Vetiver oil from Vetiveria zizanioides
Vetiver ( Vetiveria zizanioides )

Vetiver oil (also: Vetyver or Vetyvert oil) is an essential oil that is obtained from vetiver , a sweet grass that originally comes from tropical Asia .

Extraction

Vetiver oil is obtained from the roots of the tropical grass species Vetiveria zizanioides by steam distillation . Typical countries of origin are Réunion (variety “Bourbon”), Haiti , Indonesia , Brazil , China and India . The world annual production of Indonesia is around 100  tons .

properties

The oil is thick, brown to reddish-brown; the smell is described as heavy, earthy, balsamic. The density is between 0.978 and 0.998 g · ml −1 , it is soluble in ethanol and insoluble in water. The refractive index is between 1.521 and 1.526 at 20 ° C. Since different types of grass are processed and fresh and dried roots are used, there are great differences in quality in the oils available in stores.

ingredients

safety instructions
Surname

Vetiver oil

CAS number
  • 8016-96-4
  • 84238-29-9
GHS labeling of hazardous substances
07 - Warning

Caution

H and P phrases H: 315-317-319
P: 280-302 + 352-305 + 351 + 338-501
Toxicological data

The main components of vetiver oil are α- Vetivon (also: Isonootkaton , α-Vetiveron, 5-10%) and β-Vetivon (3-5%), khusimol (10-15%) and isovalencenol (5-10%). The complex mixture also contains other sesqui terpenoids (hydrocarbons, alcohols, ketones, aldehydes, acids).

  • α-vetivon

  • β-vetivon

  • Khusimol

Biosynthetic α- source of two structural isomers and β-Vetivon are eudesmane - sesquiterpenes .

use

Vetiver oil is used in perfume production , aromatherapy and naturopathy and also serves as an incense . It is also used as an insect repellent and exhibits antimicrobial properties.

The odorant vetiveryl acetate is of great importance for the production of perfume . Technical vetiveryl acetate is a mixture of substances that is obtained by acetylating vetiver oil with acetic anhydride and mainly contains the acetates of the esterifiable alcohols in vetiver oil. In this, the bitter, smoky and clearly earthy nuances of vetiver oil take a back seat, while the woody-balsamic fragrance components unfold much more elegantly.

Individual evidence

  1. ↑ a b c d e f Entry on vetiver oil. In: Römpp Online . Georg Thieme Verlag, accessed on January 5, 2017.
  2. ↑ a b c data sheet vetiver oil at Sanabio , accessed on January 5, 2017.
  3. ↑ a b c Entry on Vetiver oil at thegoodscentscompany.com, accessed on January 5, 2017.
  4. ^ The bitter scent of Haiti in Frankfurter Allgemeine Sonntagszeitung on August 11, 2013, page 51.