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  2. Chenpi - Wikipedia

    en.wikipedia.org/wiki/Chenpi

    Chenpi has a common name, 'ju pi' or mandarin orange peel. [ 1 ] Chenpi contains volatile oils which include the chemical compounds nobiletin , hesperidin , neohesperidin , tangeretin , citromitin , synephrine , carotene , cryptoxanthin , inositol , vitamin B 1 , and vitamin C. [ 2 ] Traditional Chinese herbal medicine uses the alcohol extracts ...

  3. Limonene - Wikipedia

    en.wikipedia.org/wiki/Limonene

    As the main fragrance of citrus peels, D-limonene is used in food manufacturing and some medicines, such as a flavoring agent to mask the bitter taste of alkaloids, and as a fragrance in perfumery, aftershave lotions, bath products, and other personal care products. [1] (+)-Limonene is also used as a botanical insecticide.

  4. 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.

  5. Orange oil - Wikipedia

    en.wikipedia.org/wiki/Orange_oil

    Orange oil is an essential oil produced by cells within the rind of an orange fruit (Citrus sinensis fruit). In contrast to most essential oils, it is extracted as a by-product of orange juice production by centrifugation , producing a cold-pressed oil. [ 1 ]

  6. Steam distillation - Wikipedia

    en.wikipedia.org/wiki/Steam_distillation

    [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 extraction. It is however much simpler and economical than those alternatives ...

  7. Aroma compound - Wikipedia

    en.wikipedia.org/wiki/Aroma_compound

    Fragrance bottles. An aroma compound, also known as an odorant, aroma, fragrance or flavoring, is a chemical compound that has a smell or odor.For an individual chemical or class of chemical compounds to impart a smell or fragrance, it must be sufficiently volatile for transmission via the air to the olfactory system in the upper part of the nose.

  8. 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]

  9. Octyl acetate - Wikipedia

    en.wikipedia.org/wiki/Octyl_acetate

    Octyl acetate, or octyl ethanoate, is an organic compound with the formula CH 3 (CH 2) 7 O 2 CCH 3.It is classified as an ester that is formed from 1-octanol (octyl alcohol) and acetic acid.

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