Irones are a group of
methylionone odorants used in
perfumery
Perfume (, ) is a mixture of fragrance, fragrant essential oils or aroma compounds (fragrances), Fixative (perfumery), fixatives and solvents, usually in liquid form, used to give the human body, animals, food, objects, and living-spaces an agre ...
, derived from
iris
Iris most often refers to:
*Iris (anatomy), part of the eye
* Iris (color), an ambiguous color term
*Iris (mythology), a Greek goddess
* ''Iris'' (plant), a genus of flowering plants
* Iris (given name), a feminine given name, and a list of peopl ...
oil,
[Council of Europe, August 2007 ] e.g.
orris root
Orris root (''Rhizoma iridis''; etymology possibly an alteration of ''iris (plant), iris'') is the root of ''Iris germanica'' and ''Iris pallida''. It had the common name of Queen Elizabeth Root. It is commonly used as a fixative (perfumery), fi ...
. The most commercially important of these are:
* (−)-''cis''-γ-irone, and
* (−)-''cis''-α-irone
Irones form through slow
oxidation
Redox ( , , reduction–oxidation or oxidation–reduction) is a type of chemical reaction in which the oxidation states of the reactants change. Oxidation is the loss of electrons or an increase in the oxidation state, while reduction is ...
of
triterpenoids
Triterpenes are a class of terpenes composed of six isoprene units with the molecular formula C30H48; they may also be thought of as consisting of three terpene units. Animals, plants and fungi all produce triterpenes, including squalene, the pre ...
in dried
rhizome
In botany and dendrology, a rhizome ( ) is a modified subterranean plant stem that sends out roots and Shoot (botany), shoots from its Node (botany), nodes. Rhizomes are also called creeping rootstalks or just rootstalks. Rhizomes develop from ...
s of the
iris
Iris most often refers to:
*Iris (anatomy), part of the eye
* Iris (color), an ambiguous color term
*Iris (mythology), a Greek goddess
* ''Iris'' (plant), a genus of flowering plants
* Iris (given name), a feminine given name, and a list of peopl ...
species, ''
Iris pallida
''Iris pallida'', the Dalmatian iris or sweet iris, is a hardy flowering perennial plant of the genus '' Iris'', family Iridaceae. It is native to the Dalmatian coast (Croatia) but widely naturalised elsewhere. It is a member of the subgenus '' I ...
''. Irones typically have a sweet floral, iris, woody,
ionone
The ionones, from greek ἴον ion "violet", are a series of closely related chemical substances that are part of a group of compounds known as rose ketones, which also includes damascones and damascenones. Ionones are aroma compounds found in ...
, odor.
See also
*
Ionone
The ionones, from greek ἴον ion "violet", are a series of closely related chemical substances that are part of a group of compounds known as rose ketones, which also includes damascones and damascenones. Ionones are aroma compounds found in ...
References
External links
{{commons category, Irones
Structure - Odor Relationships
Perfume ingredients
Ketones
Cyclohexanes
Cyclohexenes