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2. Fragrance extraction - Wikipedia

   en.wikipedia.org/wiki/Fragrance_extraction

   Fragrance extraction refers to the separation process of aromatic compounds from raw materials, using methods such as distillation, solvent extraction, expression, sieving, or enfleurage. [1] The results of the extracts are either essential oils, absolutes, concretes, or butters, depending on the amount of waxes in the extracted product.

3. Absolute (perfumery) - Wikipedia

   en.wikipedia.org/wiki/Absolute_(perfumery)

   Rose oil, [2] jasmine absolute, tuberose absolute, tobacco absolute, [3] orris root oil, ambrette seeds oil, angelica root oil, and orange flower oil are valuable and expensive fragrance and flavor ingredients. [4] Residual solvents may remain in the absolutes. Therefore, some absolutes are considered undesirable for aromatherapy. [citation needed]

4. Concrete (perfumery) - Wikipedia

   en.wikipedia.org/wiki/Concrete_(perfumery)

   A semi-solid residue of essential oils, waxes, resins and other oil-soluble plant chemicals remains. [2] The solvent used for extraction must be chosen carefully regarding its polarity and boiling point. If the boiling point is too high, compounds that are readily deactivated by heat might be destroyed, leading to a loss of certain fragrance ...

5. Fragrance oil - Wikipedia

   en.wikipedia.org/wiki/Fragrance_oil

   Scented candles are produced when fragrance oils are combined with hot wax like paraffin, forming a homogenous solution. [citation needed] Fragrance oils are retained like a sponge when the wax is cooled to room temperature. Lighting the candle wick increases the wax temperature, gradually releasing an aroma through the evaporation of the ...

6. List of essential oils - Wikipedia

   en.wikipedia.org/wiki/List_of_essential_oils

   The spice star anise is distilled to make star anise oil. Sandalwood oil, used primarily as a fragrance, for its pleasant, woody fragrance. [24] Sassafras oil, from sassafras root bark. Used in aromatherapy, soap-making, perfumes, and the like. Formerly used as a spice, and as the primary flavoring of root beer, inter alia.

7. Eau de Cologne - Wikipedia

   en.wikipedia.org/wiki/Eau_de_Cologne

   Originally the water of Cologne was believed to have the power to ward off bubonic plague. [6] By drinking the cologne, the citrus oil scent would exude through the pores, repelling fleas. Many flea shampoos for dogs are based on citrus oils today. In modern times, eau de Cologne or "cologne" has become a generic term. The term "cologne" can be ...