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2. 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 ...

3. 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]

4. List of essential oils - Wikipedia

   en.wikipedia.org/wiki/List_of_essential_oils

   Essential oils often have an odor and are therefore used in food flavoring and perfumery. They are usually prepared by fragrance extraction techniques (such as distillation, cold pressing, or Solvent extraction). Essential oils are distinguished from aroma oils (essential oils and aroma compounds in an oily solvent), infusions in a vegetable ...

5. NR Group - Wikipedia

   en.wikipedia.org/wiki/NR_Group

   NR Group is an Indian business group which comprises six companies in various businesses such as essential oils, fragrances, incense, and electronics.It is based in Mysore, and was established in 1948 by N. Ranga Rao as Mysore Products and General Trading Company, which later became N. Ranga Rao & Sons.

6. 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.

7. List of esters - Wikipedia

   en.wikipedia.org/wiki/List_of_esters

   Glycerides, which are fatty acid esters of glycerol, are important esters in biology, being one of the main classes of lipids, and making up the bulk of animal fats and vegetable oils. Esters of carboxylic acids with low molecular weight are commonly used as fragrances and found in essential oils and pheromones.