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Eucalyptus radiata

Eucalyptus radiata

Eucalyptus radiata is an Australian tree with a bluish grey trunk which may reach thirty metres and belongs to the Myrtaceae family.

  • Bath

  • Dermal application

  • Oral route

  • Respiratory route

Essential oil of Eucalyptus radiata is remarkably well-tolerated in skin application in young children: always use diluted to 50% in a vegetable oil.

Lemon-scented eucalyptus has specific properties: anti-inflammatory and analgesic (osteoarthritis, tendinitis, rheumatism, sprains, arthritis, headaches, painful menstruation). Its essential oil also treats skin disorders (Herpes zoster, athletes' foot, mycoses, itching). It is also a good mosquito repellent.

Do not use in: pregnant or breast-feeding women, children under the age of three years (under the age of seven years for oral administration and for Eucalyptus globulus), persons with a history of epilepsy (warning, especially in children who have had fever seizures), persons allergic to one of the components (geraniol, linalool, limonene), subjects with asthma without the advice of an allergologist before the first use, in case of treatment of more than a few days (contraceptive pill, anticoagulants, chemotherapy, etc.).

Fever
Take three or four times daily 2 drops of essential oil of Eucalyptus radiata on a neutral tablet allowing it to melt in the mouth. Pour 10 drops of essential oil of Eucalyptus radiata in a spoonful of neutral base. Mix in bath water.

Flu
Pour a few drops of essential oil of Eucalyptus radiata on a handkerchief or in a bowl of hot water. Breath for ten minutes to prevent flu. 3 drops of EO of Eucalyptus radiata, 3 drops of EO of ravintsara. Apply on the chest two to three times daily for one week. (Not suitable for children under the age of seven years.)

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A closed shell hides the flower stamens which come out when they grow, which gave the tree its Greek name (eu "well", kaluptos "covered"). The leaves have oil glands and can capture solar energy on each of their faces, which makes them secrete an abundant nectar.

"The fever tree", which has the rare virtue of cleansing its surroundings, was discovered in Australia in 1792 by the French naturalist Julien Houtou de La Billardière, who accompanied La Perouse and wrote an account of the expedition. Aboriginals used its leaves to treat their wounds and fevers. Its introduction in Europe dates back to 1856 when the commercial product started in the Australian state of Victoria. Eucalyptus was used to dry out and clean malaria-infested marsh regions as it absorbs large quantities of water and releases strongly anti-infectious emissions, thus one of its names Eucalyptus salubris.

Cultivation and production

An almost exclusively Australian forest species including seven hundred species, and a treat for koalas, the eucalyptus spread over the other continents in Europe (Italy, Spain, Portugal where it is used for paper pulp), Africa (Morocco and Madagascar), Asia (China, India, Sri Lanka) and North and South America. It is found in all the pharmacopoeias of the planet. Australia, Morocco and Spain are the main exporters of essential oil of eucalyptus. In Tunisia, a colossal project of the Global Wood Holding of Geneva plans to plant in the Tatouine desert a forest to provide two million tonnes of eucalyptus wood per year for export.

Fragance

Eucalyptus radiata leaves have a strong camphor odour, slightly pungent, even though less than that of Eucalyptus globulus. Essential oil of eucalyptus has a characteristic, fresh and pleasant scent.

Extraction and yield

The yield of eucalyptus leave steam distillation is approximately 2%, i.e. two kilograms per hundred kilograms of plant.

Chemical formula

The active ingredients of essential oil of Eucalyptus radiata are mainly oxides (1,8-cineol: 72%-75%-80%) and a monoterpenol (alpha-terpineol).

Main indications

Antiviral, decongestant and expectorant, Eucalyptus radiata or Eucalyptus globulus is the Attila the Hun of respiratory diseases, irrespective of whether they are viral (cold, flu) or bacterial (bronchitis, sinusitis, otitis). It is pleasant to breathe and a formidable nasal decongestant. Furthermore, it has the capacity of curing skin infections, support the immune system and energise.

Related species

Lemon scented gum (Eucalyptus citriodora citronnellalifera), Blue gum (Eucalyptus globulus), Menthol eucalyptus (Eucalyptus dives piperitoniferum), Eucalyptus polybractea cineol (Eucalyptus polybractea cineolifera), Eucalyptus polybractea crypton (Eucalyptus polybractea cryptonifera).

Excerpts from the book "Aromatherapia - All about essential oils", by Isabelle Pacchioni, watercolors by Patrick MORIN, Editions Aroma Thera. Excerpts from the book "48 essential oils indispensable for healing differently" by Isabelle Delaleu and Isabelle Pacchioni, Publications of the Mandadori France group. Botanical illustrations by Agathe Haevermans.

These properties, benefits and method of use are given for information; they can not in any way constitute or substitute for medical information that only health professionals can dispense. For any use of essential oils for therapeutic purposes, please consult a doctor.

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