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2. 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]

3. 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.

4. Concrete (perfumery) - Wikipedia

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

   This aromatic species of rose is used for producing rose concrete to be made into a rose absolute. [3] Rose is one of the most popular natural flowers used in perfumery. A semi-solid residue of essential oils, waxes, resins and other oil-soluble plant chemicals remains. [2]

5. List of essential oils - Wikipedia

   en.wikipedia.org/wiki/List_of_essential_oils

   Calamodin oil or calamansi essential oil comes from a citrus tree in the Philippines extracted via cold press or steam distillation. Calamus oil Used in perfumery and formerly as a food additive; Camphor oil used in cosmetics and household cleaners. [4] Cannabis flower essential oil, used as a flavoring in foods, primarily candy and beverages ...

6. Essential oil - Wikipedia

   en.wikipedia.org/wiki/Essential_oil

   An essential oil is a concentrated hydrophobic liquid containing volatile (easily evaporated at normal temperatures) chemical compounds from plants.Essential oils are also known as volatile oils, ethereal oils, aetheroleum, or simply as the oil of the plant from which they were extracted, such as oil of clove.

7. Rose oil - Wikipedia

   en.wikipedia.org/wiki/Rose_oil

   Rose oil (rose otto, attar of rose, attar of roses, or rose essence) is an essential oil that is extracted from the petals of various types of rose. Rose ottos are extracted through steam distillation , [ 1 ] while rose absolutes [ 2 ] are obtained through solvent extraction , the absolute being used more commonly in perfumery .