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2. Fragrance extraction - Wikipedia

   en.wikipedia.org/wiki/Fragrance_extraction

   In contemporary times, the only fragrant oils obtained using this method are the peels of fruits in the citrus family. This is due to the large quantity of oil is present in the peels of these fruits as to make this extraction method economically feasible. Citrus peel oils are expressed mechanically, or cold-pressed.

3. Fragrance oil - Wikipedia

   en.wikipedia.org/wiki/Fragrance_oil

   Scented candles are produced when fragrance oils are combined with hot wax like paraffin, forming a homogenous solution. [citation needed] Fragrance oils are retained like a sponge when the wax is cooled to room temperature. Lighting the candle wick increases the wax temperature, gradually releasing an aroma through the evaporation of the ...

4. 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]

5. Concrete (perfumery) - Wikipedia

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

   A semi-solid residue of essential oils, waxes, resins and other oil-soluble plant chemicals remains. [2] The solvent used for extraction must be chosen carefully regarding its polarity and boiling point. If the boiling point is too high, compounds that are readily deactivated by heat might be destroyed, leading to a loss of certain fragrance ...

6. These DIYs make home fragrance a breeze - AOL

   www.aol.com/finance/diys-home-fragrance-breeze...

   Here are 3 DIY hacks for making your own home fragrances! The post These DIYs make home fragrance a breeze appeared first on In The Know.

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.