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Publicly Available Published by De Gruyter May 31, 2016

Essential Chemistry

  • Daniel Rabinovich EMAIL logo
From the journal Chemistry International

Almost 2000 years ago, the Greek military physician Dioscorides, author of De Materia Medica, an influential encyclopedia of herbal medicine, was the first to describe the therapeutic qualities of lavender. This flowering plant of the mint family has antiseptic and anti-inflammatory properties and its essential oil is now widely used as a fragrance ingredient in soaps, cosmetics, perfumes, and a variety of other health and personal care products. In a similar vein, essential oils produced from orange, peppermint, lemon, eucalyptus and hundreds of other plants and flowers have found applications ranging from air fresheners and scented candles to household cleaners and insect repellents.

The world market of essential oils, estimated at USD 5.5 billion in 2014, is expected to double in size by 2022 due in part to the increasing popularity of aromatherapy and a rising demand for natural flavors and fragrances in the food and beverage industry. However, it is also worth noting that a growing concern—and a key challenge—in the essential oil industry is the development of sustainable extraction and purification processes.

The stamp illustrated herein was issued in the French overseas territory of New Caledonia to commemorate the centennial of the isolation and chemical analysis of the oil of niaouli. In 1893, the French biochemist Gabriel Bertrand (1867-1962), better known for his studies pertaining to the physiological effects of essential trace elements, reported for the first time the key physical properties and composition of the oil of niaouli. The pale yellow oil was obtained by steam distillation in up to 2.5% yield from the leaves of Melaleuca viridiflora, a small evergreen tree endemic to New Caledonia, Papua New Guinea, and the coastal region of eastern Australia. The oil is a potent antiseptic, particularly against yeast infections, and is widely used in cosmetic products, including skin care lotions, soaps, mouthwashes, and toothpastes. Interestingly, a variety of the niaouli tree that grows in the Florida Everglades is considered a noxious weed and a serious threat to the integrity of the local ecosystem by the U.S. Department of Agriculture!

Published Online: 2016-5-31
Published in Print: 2016-5-1

©2016 by Walter de Gruyter Berlin/Boston

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