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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. Herbal distillate - Wikipedia

   en.wikipedia.org/wiki/Herbal_distillate

   For this reason, the term essential water is an apt description. In the past, these essential waters were often considered a byproduct of distillation, but are now considered an important co-product. [6] The produced herbal waters are essentially diluted essential oils at less than 1% concentration (typically 0.02% to 0.05%). [7]

4. 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.

5. Steam distillation - Wikipedia

   en.wikipedia.org/wiki/Steam_distillation

   It is often used to separate volatile essential oils from plant material. [2] for example, to extract limonene (boiling point 176 °C) from orange peels. Steam distillation once was a popular laboratory method for purification of organic compounds, but it has been replaced in many such uses by vacuum distillation and supercritical fluid ...

6. Rose oil - Wikipedia

   en.wikipedia.org/wiki/Rose_oil

   This distillation yields a very concentrated oil, direct oil, which makes up about 20% of the final product of the whole process. The water which condenses along with the oil is drained off and redistilled, cohobation , in order to obtain the water-soluble fractions of the rose oil such as phenethyl alcohol which are a vital component of the ...

7. Distillation - Wikipedia

   en.wikipedia.org/wiki/Distillation

   Steam distillation of various aromatic herbs and flowers can result in two products: an essential oil as well as a watery herbal distillate. The essential oils are often used in perfumery and aromatherapy while the watery distillates have many applications in aromatherapy, food processing and skin care. Dimethyl sulfoxide usually boils at 189 °C.