Alternative Medicine - Aromatherapy For Healing and Relaxation
The main branches of aromatherapy include:
- Home aromatherapy (self treatment, perfume & cosmetic use)
- Clinical aromatherapy (as part of pharmacology and pharmacotherapy)
- Aromachology (the psychology of odors and their effects on the mind)
Materials
Some of the materials employed include:- Essential oils: Fragrant oils extracted from plants chiefly through distillation (e.g. eucalyptus oil) or expression (grapefruit oil). However, the term is also occasionally used to describe fragrant oils extracted from plant material by any solvent extraction.
- Absolutes: Fragrant oils extracted primarily from flowers or delicate plant tissues through solvent or supercritical fluid extraction(e.g. rose absolute). The term is also used to describe oils extracted from fragrant butters, concretes, and enfleurage pommades using ethanol.
- Phytoncides: Various volatile organic compounds from plants that kill microbes. Many terpene based fragrant oils and sulfuric compounds from plants in genus "Allium" are Phytoncides, though the latter are likely less commonly used in aromatherapy due to their disagreeable smells.
- Hydrosols: The aqueous by-products of the distillation process (e.g. rosewater). Hydrosol used are limited to plants such as rose and camomile since most hydrosols have unpleasant smells.
- Infusions: Aqueous extracts of various plant material (e.g. infusion of chamomile)
- Carrier oils: Typically oily plant base triacylglycerides that are used to dilute essential oils for use on the skin (e.g. sweet almond oil)
Theory
When aromatherapy is used for the treatment or prevention of disease, a precise knowledge of the bioactivity and synergy of the essential oils used, knowledge of the dosage and duration of application, as well as, naturally, a medical diagnosis, are required. In the Anglo-Saxon world, even among "natural" practitioners like herbalists or naturopaths, aromatherapy is regarded more as an art form than a valid healing science. At best, it is viewed as a complementary and seldom the only treatment prescribed. On the continent, especially in France, where it originated, aromatherapy is incorporated into mainstream medicine. There, the use of the anti-septic properties of oils in the control of infections is emphasized over the more "touchy feely" approaches familiar to English speakers. In France some essential oils are regulated as prescription drugs, and thus administered by a physician. In many countries they are included in the national pharmacopeia, but up to the present moment aromatherapy as science has never been recognized as a valid branch of medicine in the United States, Russia, Germany, or Japan.Essential oils, phytoncides and other natural VOCs work in different ways. At the scent level they activate the limbic system and emotional centers of the brain. When applied to the skin (commonly in form of "massage oils" i.e. 1-10% solutions of EO in carrier oil) they activate thermal receptors, and kill microbes and fungi. Internal application of essential oil preparations (mainly in pharmacological drugs; generally not recommended for home use apart from dilution - 1-5% in fats or mineral oils, or hydrosoles) may stimulate the immune system.
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