solvent
SOLVENTS
SOLVENTS: are liquids, virtually odorless and colorless, used in perfumery for the dilution of perfume oils. The most commonly-used solvent is ethyl alcohol. Some solvents also have fixative properties.
RESINOIDS
RESINOIDS: are extracts from resins or plant parts (except for the blossom). In addition to the essential oils, they contain ingredients such as the waxes and resins which are soluble in whatever solvent is being used in the particular process. In order to facilitate the use of resinoids, high-boiling, odorless solvents are often added to them. Resinoids often have a dark color and especially good fixing properties.
ABSOLUTES
ABSOLUTES: are natural fragrance materials which are extracted from various plant parts. First, the concrete is extracted by means of a solvent. Then, the undissolved waxes are removed with alcohol. Absolutes are products of high quality, and very expensive because of the low yield.
ALCOHOL
ALCOHOL: is used in the perfume industry as a solvent for the production of lotions. An oftenused alcohol is ethyl alcohol.
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