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  2. Decoction - Wikipedia

    en.wikipedia.org/wiki/Decoction

    Decoction is a method of extraction by boiling herbal or plant material (which may include stems, roots, bark and rhizomes) to dissolve the chemicals of the material. It is the most common preparation method in various herbal medicine systems.

  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. Rubber tapping - Wikipedia

    en.wikipedia.org/wiki/Rubber_tapping

    Rubber tapping in Indonesia, 1951. Rubber tapping is the process by which latex is collected from a rubber tree.The latex is harvested by slicing a groove into the bark of the tree at a depth of one-quarter inch (6.4 mm) with a hooked knife and peeling back the bark.

  5. Tincture - Wikipedia

    en.wikipedia.org/wiki/Tincture

    Elixir, pharmaceutical preparation containing an active ingredient that is dissolved in a solution containing some percentage of ethyl alcohol. Extract; Klosterfrau Melissengeist; Spagyric, fermentation, distillation, and extraction of mineral components from the ash residue of calcinated plants.

  6. Infusion - Wikipedia

    en.wikipedia.org/wiki/Infusion

    Infusion is the process of extracting chemical compounds or flavors from plant material in a solvent such as water, oil or alcohol, by allowing the material to remain suspended in the solvent over time (a process often called steeping). An infusion is also the name for the resultant liquid.

  7. Leaching (chemistry) - Wikipedia

    en.wikipedia.org/wiki/Leaching_(chemistry)

    Specific extraction methods depend on the soluble characteristics relative to the sorbent material such as concentration, distribution, nature, and size. [1] Leaching can occur naturally seen from plant substances (inorganic and organic), [2] [3] solute leaching in soil, [4] and in the decomposition of organic materials. [5]

  8. Olive oil extraction - Wikipedia

    en.wikipedia.org/wiki/Olive_oil_extraction

    Modern method of olive oil extraction Reconstructed lever-and-weights press from a 4th-to-8th-century village in the Golan Heights Grinder with two millstones and in the foreground several fiber disks Olive paste after stone crushing is being applied to fiber mats in Sicily Modern press with stack of fiber disks Reconstruction of an ancient Greek olive oil extractor

  9. Enfleurage - Wikipedia

    en.wikipedia.org/wiki/Enfleurage

    The enfleurage fragrance extraction method is one of the oldest. It is also highly inefficient and costly but was the sole method of extracting the fragrant compounds in delicate flowers such as jasmine and tuberose, which would be destroyed or denatured by the high temperatures required by methods of fragrance extraction such as steam distillation.

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