Geranium oil
Geranium oil is an essential oil obtained by steam distillation of Pelargonium graveolens , a plant of the family of geraniaceae is obtained (Geraniaceae).
Important countries of origin are China , Egypt , the island of Réunion in addition to smaller growing areas in India and Israel .
ingredients
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| Surname |
Geranium oil from Pelargonium graveolens |
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| CAS number |
90082-51-2 |
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The ingredients of geranium oil differ depending on the growing area. The main odor-determining components are the monoterpene compounds rose oxide , linalool , menthone / isomenthone , citronellol , geraniol , citronellyl formate and geranyl formate . In the gallery, the structural formulas of some ingredients are shown in simplified form (without specifying the stereochemistry):
Rose oxide
Linalool
Menthone
Citronellol
Geraniol
Rhodinol
As the lead compound for the distinction of geranium from China oil from Reunion Island and the oils of African provenance are the components of (-) - 6,9- Guajadien and 10- epi -γ- Eudesmol . The guajadiene isomer characterizes the so-called Bourbon type of the island of Réunion, the Eudesmol component is only contained in oil from African cultivation areas.
Physical Properties
It is a yellow-greenish to amber-colored liquid with a leafy-green, sweet-rosy smell with a distinct fruity-minty undertone. The density is 0.860-0.905 g / ml .
use
Geranium oil is mainly used to make perfumes . The world annual production is a few hundred tons.
Individual evidence
- ↑ a b c d Entry on geranium oil. In: Römpp Online . Georg Thieme Verlag, accessed on June 17, 2014.
- ↑ a b c data sheet geranium oil from Sanabio , accessed on April 24, 2017.