Wednesday, 29 July 2015

Organic Chemical, Perfume



PERFUME

History
Perfume was first used by the Egyptians as part of their religious rituals. The two principal methods of use at this time was the burning of incense and the application of balms and ointments.


Perfumed oils were applied to the skin for either cosmetic or medicinal purposes. During the Old and Middle Kingdoms, perfumes were reserved exclusively for religious rituals such as cleansing ceremonies. Then during the New Kingdom (1580-1085 BC) they were used during festivals and Egyptian women also used perfumed creams and oils as toiletries and cosmetics and as preludes to love-making.

The use of perfume then spread to Greece, Rome, and the Islamic world. And it was the Islamic community that kept the use of perfumes since the spread of Christianity led to a decline in the use of perfume. With the fall of the Roman Empire, perfume's influence dwindled. It was not until the twelfth century and the development of international trade that this decline was reversed.




Perfume enjoyed huge success during the seventeenth century. Perfumed gloves became popular in France and in 1656, the guild of glove and perfume-makers was established. The use of perfume in France grew steadily. The court of Louis XV was even named "the perfumed court" due to the scents which were applied daily not only to the skin but also to clothing, fans and furniture. The eighteenth century saw a revolutionary advance in perfumery with the invention of eau de Cologne.

This refreshing blend of rosemary, neroli, bergamot and lemon was used in a multitude of different ways: diluted in bath water, mixed with wine, eaten on a sugar lump, as a mouthwash, an enema or an ingredient for a poultice, injected directly... and so on. The variety of eighteenth-century perfume containers was as wide as that of the fragrances and their uses. Sponges soaked in scented vinaigres de toilette were kept in gilded metal vinaigrettes. Liquid perfumes came in beautiful Louis XIV-style pear-shaped bottles. Glass became increasingly popular, particularly in France with the opening of the Baccarat factory in 1765. As with industry and the arts, perfume was to undergo profound change in the nineteenth century.

Changing tastes and the development of modern chemistry laid the foundations of perfumery as we know it today. Alchemy gave way to chemistry and new fragrances were created. The French Revolution had in no way diminished the taste for perfume, there was even a fragrance called "Parfum a la Guillotine." Under the post-revolutionary government, people once again dared to express a penchant for luxury goods, including perfume. A profusion of vanity boxes containing perfumes appeared in the 19th century.

Due to its jasmine, rose and orange-growing trades, the town of Grasse in Provence established itself as the largest production center for raw materials. The statutes of the perfume-makers of Grasse were passed in 1724. Paris became the commercial counterpart to Grasse and the world center of perfume. Perfume houses such as Houbigant (Quelques Fleurs, still very popular today), Lubin, Roger & Gallet, and Guerlain were all based in Paris. In 1760, in London, James Henry Creed founded the House of Creed perfume.




With the turn of the century fragrance houses emerged in Europe. The Crown Perfumery was founded in 1872 by William Sparks Thomson, a maker of crinolines and corsets. Catering to the high society in London and Europe, he launched a collection of floral fragrances called Flower Fairies. Queen Victoria granted the Crown Perfumery her own crown's image to top the fragrance bottles. In 2002 Clive Christian discontinued the Crown line of fragrances and replaced them with the luxurious Clive Christian perfume line.

Soon bottling became more important. Perfume maker Francois Coty formed a partnership with Rene Lalique. Lalique then produced bottles for Guerlain perfume, D'Orsay, Lubin, Molinard, Roger & Gallet and others. Baccarat then joined in, producing the bottle for Mitsouko (Guerlain), Shalimar (Guerlain) and others. Brosse glassworks created the memorable bottle for Jeanne Lanvin's Arpege perfume, the famous Chanel No.5, and most recently for Parfums Raffy single note fragrances. Floral fragrances became more popular in the 20th century. Fracas perfume by Robert Piguet fragrances was first released in 1948 by master perfumer Germaine Cellier and is known as the premier Tuberose fragrance.

In 1921- Couturier Gabrielle Chanel launched her own brand of perfume, created by Ernest Beaux, she calls it Chanel No.5 because it was the fifth in a line of fragrances Ernest Beaux presented her. Ernest Beaux was the first perfumer to use aldehydes regularly in perfumery.
The 1930's saw the arrival of the leather fragrances, and florals, also became quite popular with the emergence of Worth's Je Reviens (1932), Caron's Fleurs de Rocaille (1933) and Jean Patou's Joy perfume (1935). With French perfumery at it's peak in the 1950's, other designers such as Christian Dior, Jacques Fath, Nina Ricci perfume, Pierre Balmain and so on, started creating their own scents.

The recent popularity of celebrity fragrances has also made an impact on the industry although most experts do not expect the trend to last. Today there are over 30,000 designer perfumes on the market and perfumes are no longer for the wealthy. The perfume industry has undergone several changes in technique, material and style. All of which have created the modern fragrance industry, one that still incorporates creativity, mystique and romance along with marketing to appeal to the masses.

In recent years the emergence of small and exclusive fragrance brands have been marketed. Known as niche fragrances, brands such as Amouage, Montale perfume, Xerjoff, Parfumerie Naturelle, Bois 1920, Odori perfume are bringing back the high quality fine fragrances of the past perfume artisans. These fragrances contain the finest oils from all over the world and have revived the passion of perfumery for so many. Perfume samples are a great way to try these niche fragrances.


The usage of Parfume in daily life
Use in Cosmetics


The term "fragrance" or "parfum" on a cosmetic ingredients list usually represents a complex mixture of dozens of chemicals. Some 3,000 chemicals are used as fragrances. i Fragrance is an obvious ingredient in perfumes, colognes, and deodorants, but it's used in nearly every type of personal care product. Even products marketed as "fragrance-free" or "unscented" may in fact contain fragrance along with a masking agent ii that prevents the brain from perceiving odour. In addition to their use in cosmetics, fragrances are found in numerous other consumer products, notably laundry detergents and softeners and cleaning products

Health and Environmental Hazards


Of the thousands of chemicals used in fragrances, most have not been tested for toxicity, alone or in combination. Many of these unlisted ingredients are irritants and can trigger allergies, migraines, and asthma symptoms.  A survey of asthmatics found that perfume and/or colognes triggered attacks in nearly three out of four individuals. There is also evidence suggesting that exposure to perfume can exacerbate asthma, and perhaps even contribute to its development in children.

People with multiple chemical sensitivities (MCS) or environmentally linked illnesses are particularly vulnerable, with fragrances implicated both in development of the condition and triggering symptoms.  

However, anyone might experience skin irritation or runny eyes and nose. U.K.researchers have reported that "perfume" is the second most common cause of allergy in patients at dermatology clinics.  In addition, in laboratory experiments, individual fragrance ingredients have been associated with cancer  and neurotoxicity  among other adverse health effects.
Synthetic musks used in fragrances are of particular concern from an ecological perspective. Several of musk compounds are persistent in the environment and build up (bioaccumulate) in the fatty tissue of aquatic organisms. Measureable levels of synthetic musks are found in fish in the Great Lakes and the levels in sediment are increasing. Environment Canada has categorized several synthetic musks as persistent, bioaccumulative, and/or toxic, and others as human health priorities.

Some fragrance ingredients are not perfuming agents themselves but enhance the performance of perfuming agents. For example, diethyl phthalate (prounced tha-late), or DEP, is widely used in cosmetic fragrances to make the scent linger. Phthalates are choice ingredients in cosmetics because they are cheap and versatile. However, the European Commission on Endocrine Disruption has listedDEP as a Category 1 priority substance, based on evidence that it interferes with hormone function. Phthalates have been linked to early puberty in girls, reduced sperm count in men, and reproductive defects in the developing male fetus (when the mother is exposed during pregnancy). Phthalate metabolites are also associated with obesity and insulin resistance in men. As well, Health Canada notes evidence suggesting that exposure to phthalates may cause liver and kidney failure in young children when products containing phthalates are sucked or chewed for extended periods. DEP is listed as a Priority and Toxic Pollutant under the U.S. Clean Water Act, based on evidence that it can be toxic to wildlife and the environment.

Laboratory analysis of top-selling colognes and perfumes identified an average of 14 chemicals per product not listed on the label, including multiple chemicals that can trigger allergic reactions or interfere with hormone function. To learn more, read a recent report by Environmental Defence.

Regulatory Status


Fragrance recipes are considered trade secrets so manufacturers are not required to disclose fragrance chemicals in the list of ingredients. Environment Canada is currently assessing one synthetic musk (moskene) under the government's Chemicals Management Plan and has flagged several others for future assessment. Health Canada recently announced regulations banning six phthalates in children's toys (including DEP), but the use of DEP in cosmetics is unrestricted.

International regulations are stronger. The European Union restricts the use of many fragrance ingredients, including two common musks (nitromusks) and requires warning labels on products if they contain any of 26 allergens commonly used as cosmetic fragrances.

How The perfume are made in industry ??
Raw Materials


Natural ingredients—flowers, grasses, spices, fruit, wood, roots, resins, balsams, leaves, gums, and animal secretions—as well as resources like alcohol, petrochemicals, coal, and coal tars are used in the manufacture of perfumes. Some plants, such as lily of the valley, do not produce oils naturally. In fact, only about 2,000 of the 250,000 known flowering plant species contain these essential oils. Therefore, synthetic chemicals must be used to re-create the smells of non-oily substances. Synthetics also create original scents not found in nature.

Some perfume ingredients are animal products. For example, castor comes from beavers, musk from male deer, and ambergris from the sperm whale. Animal substances are often used as fixatives that enable perfume to evaporate slowly and emit odors longer. Other fixatives include coal tar, mosses, resins, or synthetic chemicals. Alcohol and sometimes water are used to dilute ingredients in perfumes. It is the ratio of alcohol to scent that determines whether the perfume is "eau de toilette" (toilet water) or cologne.

The Manufacturing Process
Collection
           1 Before the manufacturing process begins, the initial ingredients must be brought to the manufacturing center. Plant substances are harvested from around the world, often hand-picked for their fragrance. Animal products are obtained by extracting the fatty substances directly from the animal. Aromatic chemicals used in synthetic perfumes are created in the laboratory by perfume chemists.

Extraction
Oils are extracted from plant substances by several methods: steam distillation, solvent extraction, enfleurage, maceration, and expression.

           2 In steam distillation, steam is passed through plant material held in a still, whereby the essential oil turns to gas. This gas is then passed through tubes, cooled, and liquified. Oils can also be extracted by boiling plant substances like flower petals in water instead of steaming them.

s then placed in ethyl alcohol. The oil dissolves in the alcohol and rises. Heat is used to evaporate the alcohol, which once fully burned off, leaves a higher concentration of the perfume oil on the bottom.
           3 Under solvent extraction, flowers are put into large rotating tanks or drums and benzene or a petroleum ether is poured over the flowers, extracting the essential oils. The flower parts dissolve in the solvents and leave a waxy material that contains the oil, which i


           4 During enfleurage, flowers are spread on glass sheets coated with grease. The glass sheets are placed between wooden frames in tiers. Then the flowers are removed by hand and changed until the grease has absorbed their fragrance.

           5 Maceration is similar to enfleurage except that warmed fats are used to soak up the flower smell. As in solvent extraction, the grease and fats are dissolved in alcohol to obtain the essential oils.

           6 Expression is the oldest and least complex method of extraction. By this process, now used in obtaining citrus oils from the rind, the fruit or plant is manually or mechanically pressed until all the oil is squeezed out.

Blending
           7 Once the perfume oils are collected, they are ready to be blended together according to a formula determined by a master in the field, known as a "nose." It may take as many as 800 different ingredients and several years to develop the special formula for a scent.

After the scent has been created, it is mixed with alcohol. The amount of alcohol in a scent can vary greatly. Most full perfumes are made of about 10-20% perfume oils dissolved in alcohol and a trace of water. Colognes contain approximately 3-5% oil diluted in 80-90% alcohol, with water making up about 10%. Toilet water has the least amount—2% oil in 60-80% alcohol and 20% water.

Aging
           8 Fine perfume is often aged for several months or even years after it is blended. Following this, a "nose" will once again test the perfume to ensure that the correct scent has been achieved. Each essential oil and perfume has three notes: "Notes de tete," or top notes, "notes de coeur," central or heart notes, and "notes de fond," base notes. Top notes have tangy or citrus-like smells; central notes (aromatic flowers like rose and jasmine) provide body, and base notes (woody fragrances) provide an enduring fragrance. More "notes," of various smells, may be further blended.



The Future
Perfumes today are being made and used in different ways than in previous centuries. Perfumes are being manufactured more and more frequently with synthetic chemicals rather than natural oils. Less concentrated forms of perfume are also becoming increasingly popular. Combined, these factors decrease the cost of the scents, encouraging more widespread and frequent, often daily, use.

Using perfume to heal, make people feel good, and improve relationships between the sexes are the new frontiers being explored by the industry. The sense of smell is considered a right brain activity, which rules emotions, memory, and creativity. Aromatherapy—smelling oils and fragrances to cure physical and emotional problems—is being revived to help balance hormonal and body energy. The theory behind aromatherapy states that using essential oils helps bolster the immune system when inhaled or applied topically. Smelling sweet smells also affects one's mood and can be used as a form of psychotherapy.

Like aromatherapy, more research is being conducted to synthesize human perfume—that is, the body scents we produce to attract or repel other humans. Humans, like other mammals, release pheromones to attract the opposite sex. New perfumes are being created to duplicate the effect of pheromones and stimulate sexual arousal receptors in the brain. Not only may the perfumes of the future help people cover up "bad" smells, they could improve their physical and emotional well-being as well as their sex lives.

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