Description
The part used is the flowers. Derivatives: the flowers are extracted
with petroleum ether to yield a concrete, which in turn gives an
absolute after alcohol extraction. The enfleurage method or infusion
processes have also been used.
Chemical Properties
The flowers of O. fragrans are extracted with petroleum ether to yield a concrete, from which absolute is prepared by
alcohol extraction. Also see Osmanthus.
Definition
Extractives and their physically modified derivatives. Osmanthus fragrans, Oleaceae.
Essential oil composition
The absolute contains (as% of volatiles) linolenic acid 17.4%, linoleic acid 8.7, palmitic acid 8.6, β-ionone,
oleic acid 7.0, dihydro-β-ionone 6.4, ethyl linolenate 6.3, (+)-decan-4-olide 4.0, ethylpalmitate 3.4, ethyl linoleate 3.1, dihdro-β-inol
3.0 and others.
Aroma threshold values
Aroma characteristics at 1.0%: sweet, woody, herbal and floral with aromatic fruity berry notes and citrus,
juniper and gin-like nuances.
Taste threshold values
Taste characteristics at 5 ppm: ionone-like woody, fruity with good berry depth, slightly citrus and floral.
