Natural Essential Oils: Extraction Processes and Application to Some Major Oils

Contact Author Bernard Meyer-Warnod
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The word natural essential oil means or covers all aromatic extracts from vegetable matter (flowers, leaves, branches, roots, gums, fruits) and extracts from animal secretion.

Several processes are used to obtain natural oils. These processes are developed in order to obtain the best aromatic substance to satisfy the needs of the perfumer and of the flavorist, in accordance with the worldwide legislation governing the use of these products.

“Essential oil” is a generic term and in fact may be:

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Concrete—a fatty wax saturated with an aromatic substance

Absolute—an alcohol-soluble liquid or semiliquid oil saturated with an aromatic substance

Resinoid—an alcohol or benzene direct distillation

Steam distilled oil

CO2 extracted oil