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  2. Volatility (chemistry) - Wikipedia

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

    The most volatile chemical condense at the top of the column while the least volatile chemicals to vaporize condense in the lowest portion. [1] On the right is a picture illustrating the design of a distillation tower. The difference in volatility between water and ethanol has traditionally been used in the refinement of drinking alcohol.

  3. 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.

  4. Fragrance oil - Wikipedia

    en.wikipedia.org/wiki/Fragrance_oil

    To allergic or otherwise sensitive people, synthetic fragrance oils are often less desirable than plant-derived essential oils as components of perfume. [1] Essential oils, widely used in society, emit numerous volatile organic compounds (VOCs). Some of these VOCs are considered as potentially hazardous under federal regulations. [2]

  5. Fixative (perfumery) - Wikipedia

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

    A fixative is a substance used to equalize the vapor pressures, and thus the volatilities, of the raw materials in a perfume oil, and to increase the perfume's odour tenacity. [ 1 ] [ 2 ] In simple words, fixatives increase the time for which the scent of a perfume lasts.

  6. List of essential oils - Wikipedia

    en.wikipedia.org/wiki/List_of_essential_oils

    Douglas-fir oil is unique amongst conifer oils as Douglas-fir is not a true Fir but its own genus. The New Zealand variety steam distilled using mountain spring water is particularly sought after for its purity and chemical profile. Elecampane oil; Elemi oil, used as a perfume and fragrance ingredient.

  7. Farnesol - Wikipedia

    en.wikipedia.org/wiki/Farnesol

    Farnesol is present in many essential oils such as citronella, neroli, cyclamen, lemon grass, tuberose, rose, musk, balsam, and tolu. It is used in perfumery to emphasize the odors of sweet, floral perfumes. It enhances perfume scent by acting as a co-solvent that regulates the volatility of the odorants. It is especially used in lilac perfumes.

  8. 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.

  9. Ionone - Wikipedia

    en.wikipedia.org/wiki/Ionone

    Ionones are aroma compounds found in a variety of essential oils, including rose oil. β-Ionone is a significant contributor to the aroma of roses, despite its relatively low concentration, and is an important fragrance chemical used in perfumery. [2] The ionones are derived from the degradation of carotenoids.

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