Osmanthus Absolute Chemical Properties

refractive index 

n20/D 1.49

FEMA 

3750 | OSMANTHUS ABSOLUTE (OSMANTHUS FRAGRANS LOUR.)

storage temp. 

2-8°C

Odor

at 100.00 %. osmanthus

Odor Type

floral

CAS DataBase Reference

68917-05-5

EPA Substance Registry System

Oils, Osmanthus fragrans (68917-05-5)

Safety Information

Safety Statements 

23-24/25

Osmanthus Absolute Usage And Synthesis

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.

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