Lance Carson
The word perfume comes from the Latin per fumum, meaning through smoke. Perfumes were originally crafted to emulate nature's pleasant aromas. Natural oils were extracted from plants and became the main components of perfumes in the ancient world. These oils were extracted, pressed, steamed, and burned to scent the surrounding air. Today, perfumes are often made with synthetic chemicals, even though natural ingredients are still more desirable in the finest perfumes. Natural ingredients such as flowers, grasses, spices, fruits, woods, roots, resins, balsams, leaves, gums, and even animal secretions are used in the creation of perfumes.
| Characteristics | Values |
|---|---|
| Definition | Substances that emit and diffuse a pleasant and fragrant odour |
| Origin of the word | The word perfume is derived from the Latin "perfumare", meaning "to smoke through" |
| Natural ingredients | Flowers, grasses, spices, fruits, wood, roots, resins, balsams, leaves, gums, and animal secretions |
| Natural oils extraction methods | Solvent extraction, steam distillation, expression, enfleurage, maceration |
| Natural oils extraction difficulties | Natural ingredients can be difficult to harvest, and some perfumes use natural animal oils which can be troublesome to collect |
| Synthetic chemicals usage | Scents that occur naturally are often reproduced with synthetic chemicals rather than sourced and extracted |
| Synthetic chemicals advantages | Lower cost, increased availability, ease of creation, less quality control |
| Synthetic chemicals disadvantages | Can lower the quality of the perfume |
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What You'll Learn
Natural oils are extracted from plants
Natural oils have been extracted from plants since ancient times, and they were the main components of the perfumes of the ancient world. The oils were extracted, pressed, steamed, and then burned to scent the surrounding air.
Today, essential oils are still widely extracted from plants and used in perfumes, as well as in pharmaceuticals, nutraceuticals, food and beverage, personal care, cosmetics, home care, and even industrial and agricultural chemicals.
There are several methods to extract essential oils from plants. The most common technique is steam distillation, where pressurized steam is passed through the plant biomass, rupturing the plant structures that hold the essential oils and releasing volatile and non-volatile compounds. The resulting liquid then naturally separates into two layers: essential oil and hydrosol. Examples of familiar hydrosols include rosewater and orange flower water. Steam distillation can take anywhere from a few hours to several days, depending on the plant.
Another method is cold pressing, which is used for oils that degrade when exposed to heat, such as lemon, orange, and grapefruit. This technique involves scraping or pricking the biomass, usually fruit peels, before pressing and rinsing the oils away using water. Cold-pressed oils retain natural flavors, colors, sterols, and vitamins. However, not all plants are suitable for cold pressing, and it is not efficient for high-volume extraction.
Other extraction methods include supercritical and subcritical carbon dioxide (CO2) extraction, simple distillation, volatile organic solvent extraction, microwave extraction, and ultrasonic extraction. The choice of extraction method depends on the botanical material used, the state and form of the material, and the desired quality of the essential oil.
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Scents are emulated through synthetic chemicals
The use of perfumes can be traced back to some of the earliest human civilizations, with ancient texts and archaeological excavations revealing the use of perfumes in ancient Mesopotamia, Egypt, the Indus Valley civilization, and possibly Ancient China. Modern perfumery, however, began in the late 19th century with the commercial synthesis of aroma compounds, revolutionizing the fragrance formulation process.
Today, synthetic fragrances are commonly used to emulate scents through artificial compounds and chemicals. These synthetic fragrances are created by mixing various chemicals to produce a desired scent. While natural fragrances are derived from natural sources such as plants, synthetic fragrances are chemically created and derived from petroleum or other fossilized sources.
The use of synthetic chemicals in perfumes offers several advantages. Firstly, it provides access to a wider range of scents, including those that are not easily obtained from natural sources or do not occur naturally. For example, compounds like linalool and coumarin can be inexpensively synthesized from terpenes, and orchid scents are typically created synthetically to match the fragrant compounds found in orchids. Synthetic fragrances also offer improved scent performance, flexibility, affordability, complexity, and accessibility.
Additionally, the use of synthetic chemicals allows for the creation of novel and innovative scents. The fragrance industry is constantly seeking to develop new synthetic molecules, investing significant time and resources into the research and development process. This has led to the emergence of large fragrance houses and a competitive market driven by innovation.
However, it is important to note that synthetic fragrances have also faced criticism due to potential health and environmental concerns. Some synthetic fragrance chemicals have been linked to allergic reactions, respiratory problems, and other health issues. As a result, regulatory bodies like the European Union have implemented stricter guidelines and even banned certain synthetic fragrance chemicals.
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Animal secretions are used
Animal secretions have been used in perfumes for thousands of years. They are valued for their ability to make fragrances last longer, slowly evaporating to emit a scent over a more extended period. However, animal-derived ingredients are costly and difficult to extract, and many manufacturers now use synthetic alternatives.
Beeswax is one of the most common animal products used in perfumes. It can be harvested without killing bees, although some bees may be accidentally harmed in the process. Another commonly used animal secretion is castoreum, which comes from the castor sacs of beaver anal glands. Centuries ago, beavers were hunted for this secretion, but it is no longer used in fragrances and has been replaced by other eco-friendly materials.
Civet is another animal secretion that has been used in perfumery. It is a yellow paste produced by the perineal glands of civets, cat-like animals with long tails and pointed noses or muzzles. The initial form of civet has a pungent, faecal odour, but when diluted with alcohol, it gives off a sweet and radiant floral scent. Due to ethical concerns about the treatment of civets, many fragrance companies have replaced civet with synthetic alternatives.
Other animal products used in perfumes include musk from male deer, ambergris from sperm whales, and honey, a byproduct of bees. However, the use of animal ingredients in perfumes is controversial, as some of these ingredients cannot be obtained without killing the animal, and the methods used to obtain them can be cruel. Today, many perfumes are made with vegan and cruelty-free ingredients, and synthetic chemicals are favoured over natural animal oils.
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Ancient perfumes were made from distilled flowers, oil, and calamus
The use of perfumes can be traced back to some of the earliest human civilizations, with ancient texts and archaeological excavations revealing the use of perfumes in ancient Mesopotamia, Egypt, the Indus Valley, and possibly Ancient China. Perfumery was further refined by the Romans and the Muslims.
One of the world's first recorded chemists is considered to be a woman named Tapputi, a perfume maker mentioned in a cuneiform tablet from the 2nd millennium BC in Mesopotamia. She distilled flowers, oil, and calamus with other aromatics, filtered them, and then put them back in the still several times.
Flowers were an important ingredient in ancient perfumes, with thousands of flowers needed to obtain just one pound of essential oils. Ancient Romans and Greeks extracted perfumes from flowers, combining them with other plant-based ingredients such as leaves, seeds, woods, resins, and gums. They also used animal-derived ingredients such as musk, civet, and ambergris, which are glandular oils produced by musk deer, civet cats, and sperm whales, respectively. These ingredients acted as fixatives, accentuating other scents and making them last longer.
Oil was another key component of ancient perfumes, with olive oil being the most popular choice in ancient Greece and Rome due to its abundance. Other oils such as almond oil were also used. Cheaper oils were often preferred as they had less of their own scent, allowing the fragrant materials to stand out.
Calamus, also known as sweet flag or sweet rush, was used as a base note in ancient perfumes. The root of the calamus plant could be ground and added to the perfume, providing a strong, light, sweet smell.
Overall, the creation of ancient perfumes was a complex process that involved distilling flowers, oils, and calamus with other aromatics, filtering them, and then repeating the distillation process several times to create a pleasant-smelling fragrance.
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Modern perfumes contain synthesized odorants
The use of synthesized odorants in modern perfumes can be traced back to the late 19th century, when the commercial synthesis of aroma compounds such as vanillin and coumarin allowed for the creation of perfumes with smells that could not be attained solely from natural aromatics. The very first synthetic perfume was made from nitric acid and benzene and was called nitrobenzene, which had top notes of almond and was often used in scented soaps.
Since then, advances in compound design and synthesis have led to the emergence of new categories of modern scents, such as "Bright Floral" and "Aquatic, Oceanic, Ozonic". These new categories feature synthetic aromatics like Floralozone, Helional, and Ambroxan, which provide a range of unique fragrances.
Synthetic odorants are produced through organic synthesis and purified, and they can be used to recreate natural scents or create original fragrances. For example, synthetic chemicals can reproduce the smell of jasmine, a precious flower with about 250 fragrant components. One particular molecule, Hedione, brings a breath of freshness to a composition and is often used in perfumes for children and fresh waters.
The use of synthesized odorants in modern perfumes offers an almost infinite range of scents, allowing perfumers to create unique fragrances that blend natural and synthetic ingredients.
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Frequently asked questions
Perfumes are made from a mixture of fragrant essential oils or aroma compounds, fixatives, and solvents, usually in liquid form. Natural perfumes are made from natural ingredients such as flowers, grasses, spices, fruits, woods, roots, resins, balsams, leaves, gums, and animal secretions.
Natural perfumes are made by extracting scented oils from natural ingredients. Essential oil extraction can be done through solvent extraction, steam distillation, expression, enfleurage, or maceration.
Synthetic chemicals are used to recreate natural scents that are difficult to source or extract, or to create original fragrances that do not occur in nature. The use of synthetic chemicals also reduces the cost of producing perfumes, making them more accessible to the public.
