Fragrance oil

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Fragrance oils, also known as aroma oils, aromatic oils, and flavor oils, are blended synthetic aroma compounds or natural essential oils that are diluted with a carrier like propylene glycol, vegetable oil, or mineral oil.

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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] Most high quality essential oils are extracted from natural sources such as plants, herbs, and flowers. However, synthetic versions of the same compound as a natural essential oil are usually very comparable. Furthermore, natural oils are in many cases significantly more expensive than their synthetic equivalents.

Aromatic oils are used in perfumery, candles, cosmetics, flavoring of food. [3]

Some include (out of a very diverse range):

Candle fragrance oils

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 fragrance oil.[ citation needed ]

See also

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Perfume is a mixture of fragrant essential oils or aroma compounds (fragrances), fixatives and solvents, usually in liquid form, used to give the human body, animals, food, objects, and living-spaces an agreeable scent. Perfumes can be defined as substances that emit and diffuse a pleasant and fragrant odor. They consist of manmade mixtures of aromatic chemicals and essential oils. The 1939 Nobel Laureate for Chemistry, Leopold Ružička stated in 1945 that "right from the earliest days of scientific chemistry up to the present time, perfumes have substantially contributed to the development of organic chemistry as regards methods, systematic classification, and theory."

<span class="mw-page-title-main">Cedar oil</span> Essential oil

Cedar oil, also known as cedarwood oil, is an essential oil derived from various types of conifers, most in the pine or cypress botanical families. It is produced from the foliage, and sometimes the wood, roots, and stumps left after logging of trees for timber. It has many uses in art, industry, and perfumery, and while the characteristics of oils derived from various species may vary, all have some degree of pesticidal effects.

<span class="mw-page-title-main">Essential oil</span> Hydrophobic liquid containing volatile aroma compounds from plants

An essential oil is a concentrated hydrophobic liquid containing volatile chemical compounds from plants. Essential oils are also known as volatile oils, ethereal oils, aetheroleum, or simply as the oil of the plant from which they were extracted, such as oil of clove. An essential oil is essential in the sense that it contains the essence of the plant's fragrance—the characteristic fragrance of the plant from which it is derived. The term "essential" used here does not mean indispensable or usable by the human body, as with the terms essential amino acid or essential fatty acid, which are so called because they are nutritionally required by a living organism.

<i>Cananga odorata</i> Species of tree

Cananga odorata, known as ylang-ylang or cananga tree, is a tropical tree that is native to the Philippines, Malaysia, Indonesia, New Guinea, the Solomon Islands, and Queensland, Australia. It is also native to parts of Thailand and Vietnam. It is valued for the essential oils extracted from its flowers, which has a strong floral fragrance. Ylang-ylang is one of the most extensively used natural materials in the perfume industry, earning it the name "Queen of Perfumes".

<span class="mw-page-title-main">Absolute (perfumery)</span>

Used in perfumery and aromatherapy, absolutes are similar to essential oils. They are concentrated, highly aromatic, oily mixtures extracted from plants. Whereas essential oils are produced by distillation, boiling, or pressing, absolutes are produced through solvent extraction, or more traditionally, through enfleurage.

<span class="mw-page-title-main">Aroma compound</span> Chemical compound that has a smell or odor

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. As examples, various fragrant fruits have diverse aroma compounds, particularly strawberries which are commercially cultivated to have appealing aromas, and contain several hundred aroma compounds.

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<span class="mw-page-title-main">Volatility (chemistry)</span> Tendency of a substance to vaporize

In chemistry, volatility is a material quality which describes how readily a substance vaporizes. At a given temperature and pressure, a substance with high volatility is more likely to exist as a vapour, while a substance with low volatility is more likely to be a liquid or solid. Volatility can also describe the tendency of a vapor to condense into a liquid or solid; less volatile substances will more readily condense from a vapor than highly volatile ones. Differences in volatility can be observed by comparing how fast substances within a group evaporate when exposed to the atmosphere. A highly volatile substance such as rubbing alcohol will quickly evaporate, while a substance with low volatility such as vegetable oil will remain condensed. In general, solids are much less volatile than liquids, but there are some exceptions. Solids that sublimate such as dry ice or iodine can vaporize at a similar rate as some liquids under standard conditions.

Aromachology is the study of the influence of odors on human behavior and to examine the relationship between feelings and emotions. Those who practice aromachology are aromachologists. Aromachologists analyze emotions such as relaxation, exhilaration, sensuality, happiness and well-being brought about by odors stimulating the olfactory pathways in the brain and, in particular, the limbic system. Different wearers are thought to have unique physiological and psychological responses to scents, especially those not manufactured synthetically but based on real scents. The word "aromachology" is derived from "aroma" and "physio-psychology", the latter being the study of aroma. This term was coined in 1989 by what is now the Sense of Smell Institute (SSI), a division of The Fragrance Foundation. The SSI defines aromachology as "a concept based on systematic, scientific data collected under controlled conditions". The term is defined as the scientifically observable influence of smell on emotions and moods. Consumers use aromachology to alleviate time pressures, for relaxation or stimulation and as a component of other activities that generate a feeling of well-being.

<span class="mw-page-title-main">Galbanum</span> Gum resin

Galbanum is an aromatic gum resin and a product of certain umbelliferous Persian plant species in the genus Ferula, chiefly Ferula gummosa and Ferula rubricaulis. Galbanum-yielding plants grow plentifully on the slopes of the mountain ranges of northern Iran. It occurs usually in hard or soft, irregular, more or less translucent and shining lumps, or occasionally in separate tears, of a light-brown, yellowish or greenish-yellow colour. Galbanum has a disagreeable, bitter taste, a peculiar, a somewhat musky odour, and an intense green scent. With a specific gravity of 1.212, it contains about 8% terpenes; about 65% of a resin which contains sulfur; about 20% gum; and a very small quantity of the colorless crystalline substance umbelliferone. It also contains α-pinene, β-pinene, limonene, cadinene, 3-carene, and ocimene.

<span class="mw-page-title-main">Myrcene</span> Chemical compound

Myrcene, or β-myrcene, is a monoterpene. A colorless oil, it occurs widely in essential oils. It is produced mainly semi-synthetically from Myrcia, from which it gets its name. It is an intermediate in the production of several fragrances. α-Myrcene is the name for the isomer 2-methyl-6-methylene-1,7-octadiene, which has not been found in nature.

Also known as a "perfume lamp", "effusion lamp," or "catalytic lamp", a fragrance lamp is a lamp that disperses scented alcohol using a catalytic combustion wick consisting of a cotton wick threaded through a natural, porous stone. The catalytic combustion wick was developed and patented by Maurice Berger, a French pharmaceutical dispenser, in 1898 as a means of purifying the air in hospitals and mortuaries. It is claimed that this catalytic oxidation process destroys bacteria in the air and increases oxygen levels.

<span class="mw-page-title-main">Fragrance extraction</span> Separation process of aromatic compounds from raw materials

Fragrance extraction refers to the separation process of aromatic compounds from raw materials, using methods such as distillation, solvent extraction, expression, sieving, or enfleurage. The results of the extracts are either essential oils, absolutes, concretes, or butters, depending on the amount of waxes in the extracted product.

<span class="mw-page-title-main">Types of plant oils</span>

Plant oils or vegetable oils are oils derived from plant sources, as opposed to animal fats or petroleum. There are three primary types of plant oil, differing both the means of extracting the relevant parts of the plant, and in the nature of the resulting oil:

  1. Vegetable fats and oils were historically extracted by putting part of the plant under pressure, squeezing out the oil.
  2. Macerated oils consist of a base oil to which parts of plants are added.
  3. Essential oils are composed of volatile aromatic compounds, extracted from plants by distillation.
<span class="mw-page-title-main">Cannabis flower essential oil</span> Essential oil obtained from the hemp plant

Cannabis flower essential oil, also known as hemp essential oil, is an essential oil obtained by steam distillation from the flowers, panicles, stem, and upper leaves of the hemp plant. Hemp essential oil is distinct from hemp seed oil and hash oil: the former is a vegetable oil that is cold-pressed from the seeds of low-THC varieties of hemp, the latter is a THC-rich extract of dried female hemp flowers (marijuana) or resin (hashish).

<span class="mw-page-title-main">Eau de toilette</span> Lightly scented perfume

Eau de toilette is a lightly scented perfume. It is also referred to as aromatic waters and has a high alcohol content. It is usually applied directly to the skin after bathing or shaving. It is traditionally composed of alcohol and various volatile oils. Traditionally these products were named after a principal ingredient; some being geranium water, lavender water, lilac water, violet water, spirit of myrcia and 'eau de Bretfeld'. Because of this, eau de toilette was sometimes referred to as "toilet water".

Concrete, in perfumery, is a waxy mass obtained by solvent extraction of fresh plant material. It is usually used for the production of absolutes.

<span class="mw-page-title-main">Bergamot essential oil</span> Cold-pressed essential oil

Bergamot essential oil is a cold-pressed essential oil produced by cells inside the rind of a bergamot orange fruit. It is a common flavoring and top note in perfumes. The scent of bergamot essential oil is similar to a sweet light orange peel oil with a floral note.

References

  1. "Fragrances - Children's Environmental Health Network". 2016-02-17. Retrieved 2022-05-25.
  2. Steinemann, Anne; Kolev, Spas D.; Nematollahi, Neda (2018-10-01). "Volatile chemical emissions from essential oils". Air Quality, Atmosphere & Health. 11 (8): 949–954. doi:10.1007/s11869-018-0606-0. ISSN   1873-9326. S2CID   105013049.
  3. "Aromatherapy". FDA. Retrieved 23 July 2016.