FENCHOL

Description

Fenchyl alcohol has a camphor-like odor with citrus notes and a bitter, lime-like flavor. It is synthesized by reduction of fenchone or from pine terpenes.

Chemical properties

Fenchyl alcohol has a camphor-like odor with citrus notes and a bitter, lime-like favor.

Occurrence

Both the α- and the β-fenchyl alcohols are reported found in nature; in mixture, they are present in the essential oils of Picea alba, Pinus silvestris, pine oil, Artemisia santolinaefolia, and others; the isofenchyl alcohol (1,5,5-trimethyl-2-norbor- nanol) is not found in nature Reported found in citrus peel oils, grape, grape brandy, hop oil, nutmeg, rosemary, pepper, beer, tea, Ocimum basilicum, cognac, fennel and eucalyptus oil

The Uses of FENCHOL

Fenchol is a hop-derived aroma compound commonly found in beer.

Preparation

By reduction of fenchone or from pine terpenes.

Aroma threshold values

Aroma characteristics at 1%: clean cooling camphoraceous, piney with a woody eucalyptol and slight green herbal minty nuances.

Taste threshold values

Taste characteristics at 1 to 5 ppm: intense camphoraceous, cooling, piney with an earthy nuance It has minty-citrus lime and spicy notes.

Purification Methods

It is prepared by reduction of (-)-fenchone and is purified by recrystallisation from *C6H6/pet ether, or distillation, or