What is an Essential Oil?

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1. What is an Essential Oil?
Essential oils are distilled essences that are derived from a wide range of aromatic plants. These essences contain upward of 50 different naturally occurring components that work synergistically within the botanical matrix of the plant rendering the plant with the ability to protect itself from invasive disease, repel predators and attract pollinators. The term ’essential’ does not indicate that these substances are essential to humans, rather the term ’essential’ is derived from the word essence. While these substances are natural they are still considered volatile chemicals that require stringent respect. There are many references indicating that humans have used herbal and aromatic extracts and resins dating back to the Mesopotamia era. It is imperative to know that herbal extracts and resinous plant materials are completely different from distilled Essential Oils.

2. How are essential oils made?
Essential oils are predominately produced through a steam distillation process. Citrus essential oils are primarily produced through a cold pressed process. It takes several kilos of plant material and flower petals to yield a natural essential oil. Some plant material yields more essential oil than others which is why essential oil prices differ. When a particular plant does not yield much oil it’s natural odour molecules can be captured through a solvent process commonly referred to as absolute. The oldest known method for preserving plant odours is called enfleurage. For example gardenia petals would be soaked in a fat for several days and then the process is repeated until fat is saturated with the fragrance.

3. Are essential oils and the practice of aromatherapy regulated?
In Canada and the United States there are two professional organizations; respectively The Canadian Federation of Aromatherpists (CFA) and the National Association for Holistic Aromatherapy (NAHA), these organizations have strict guidelines that practitioners and businesses adhere to with respect to the proper dissemination of information and education surrounding the use of essential oils, absolutes and natural essences and including the distribution of such. Aromatherapy is currently an unregulated and unlicensed field both for the practice of aromatherapy as well as the manufacturing of aromatherapy products, generally speaking aromatherapy inspired products fall under the category of natural wellness products (as long as no medical claim is being made) otherwise they may be considered as cosmetics. As a whole the industry seeks to comply with current safety and standards of practice, and to stay informed about potential impending regulations with regards to the manufacturing of aromatherapy inspired products and items that contain essential oils.

4. Pure essential oil vs. a fragrant oil?
Essential oils are predominately distilled from leaves, stems, flowers, roots, seeds, bark or resinous substances that exude from trees such as sap. Natural cold pressed essential oils are extracted from the peel of citrus fruits such as grapefruit, lemon, lime and orange. Fragrant oils are industry approved aromatic materials that are used predominately in soaps, detergents, cleaning products, body care products, cosmetics and perfumes. Fragrant oils are relatively inexpensive and are created with petrochemicals, commercial brand products that are fragrant also contain synthetic fixatives which allows the scent to last for several hours or an entire day. Advancements in the petrochemical industry over the last century have provided industries with the ability to create synthetic fragrance and produce aromatic chemicals (such as musk) or that simulate natural odours such as lilac or watermelon. These synthetic aromas are used extensively in the perfume industry and by companies that manufacture body care products, detergents and soaps. Pure essential oils are expensive and unstable constituents; for example a batch of fresh distilled lavender oil could contain between 25— 50% linalool (a terpene alcohol that occurs in hundreds of aromatics plants and flowers). However, from season to season and depending upon the geographical growing location the resulting amount of linalool in a particular batch of lavender will vary. Varying amounts of linalool is not conducive to quality control standards when a manufacturer is trying to achieve a consistent scent. Therefore synthetic linalool is used extensively as an inexpensive filler and adulterator.

5. Can essential oils be used internally?
Essential oils that are of a culinary nature are used in the food and beverage industry as flavour enhancers. These additives are formulated by food chemists who are bound by industry protocols, licensing and government regulations. Sometimes you may see the term GRAS status on a label, meaning that a substance is Generally Recognized as Safe by the EPA & FDA (Environmental Protection Agency & Federal Drug Administration). This does not indicate that an essential oil is safe to ingest as a medicine or from a nutritional perspective. Many companies are promoting the idea that it is safe to consume essential oils due to their naturalness and purity, with anecdotal marketing tag lines that entice purchasers into believing that essential oils can be used to cure, treat or render the human body from developing illnesses and disease. For example adding a few drops of a cold pressed citrus essential oil to your water or smoothie does not provide any vitamin c, nor does it provide any other nutritional benefits compared to eating and/or consuming the whole fruit. Some essential oils contain naturally occurring substances that cause mucous membrane, esophageal and stomaching lining irritation. Under the code of ethics stipulated by organizations such as the CFA & NAHA, essential oils should not be ingested for any reason. However some essential oils can be used in oral products such as toothpaste and mouthwash. As a flavour enhancer 1 drop of essential oil that is of a culinary nature should be well dissolved or blended in 1 teaspoon of olive oil or honey and then could be added to various foods and beverages.

6. How do essential oils work, and how do odours affect people?
There are numerous books on the subject of Aromatherapy and piles of references on the internet directing folks to use essential oils either topically or internally to treat, cure, or prevent various conditions. However, making such exaggerated and unjustifiable product claims is sheer negligence. Many of these anecdotal claims are being made by companies and individuals who have construed scientific information. There is however, empirical research indicating that pure essential oils contain constituents that are that are anti-microbial and possess insecticidal properties, some essential oils may provide topical relief related to musculoskeletal disorders, due to their cooling and/or warming properties, and some essential oils may benefit skin conditions. However, essential oils should never be used on the skin undiluted and it is imperative to know which essential oils should be used in lessor dilutions and realize that many can cause dermal irritation especially those that oxidize quickly. There is also verifiable science indicating that from a psychological perspective that an odour, be it natural or synthetic, be it pleasant or obnoxious – will light-up various centres of the brain and elicit positive or negative mood states.

7. Is one brand of essential oil better than another?
There is a lot of chatter purported by many businesses who indicate that their particular essential oils are classified as the purest or possess most therapeutic quality. One company in particular indicates that their oils are certified* which is a misleading statement. Most essential oil companies do not distil or manufacture their oils, rather most businesses buy in bulk from raw material distributors or have pre-arranged contracts with agricultural producers and farms.
Certified Pure Therapeutic Grade®  These four words strung together followed by an encircled ‘R’ – simply means that this statement is a ‘paid for’ registered trade mark and is simply a clever marketing slogan which no other company is allowed to use. It gives the appearance of being approved by some kind of higher authority and it has been said that the company states it is a FDA approved to use this label. According to Elston (2009), “This registered word mark has not been provided to them by the FDA as they claim and is meaningless in proving that an outside certifying body has declared or designated that DoTERRAʼs essential oils are certified pure therapeutic grade. DoTERRA, LLC owns the right to exclusive use of the mark (however not the exclusive right to the actual words “Certified Pure Therapeutic Grade” which is revealing) This seal or word mark is nothing more than a commercial trademark that they have registered and paid a fee for”. (Jade, Shutes, The East-West School for Herbal & Aromatic Studies).

8. Can people be allergic to essential oils or synthetic fragrance oils?
Just because something is natural doesn’t mean that it’s good for you! Many botanicals are poisonous, many people have environmental allergies, and many folks have very sensitive skin. If you know that you are sensitive to a particular plant then it is best that you avoid that particular essential oil, absolute or natural essence. Over the last one hundred years many folks have developed sensitivities to synthetic perfumes and to petrochemical derivatives in cosmetics. Best health practices indicate that adopting healthy lifestyle habits and reducing our exposure to toxic ingredients will benefit our planet and our bodies.

9.  Why do some companies charge more money for essential oils and why is rose oil more expensive than eucalyptus oil?
Those companies that sell essential oils through distributorship hierarchies are often more expensive due to the fact their profit margins are being shared.  Many essential oil companies (or brands) are sourced from the same suppliers who are ethical producers and farms which are located in the country to which the plant is native, or grown and harvested. It is important to realize that essential oils are agricultural commodities therefore from crop to crop, season to season, prices tend to fluctuate, also the price of an essential is related to the volume of oil that a particular plant yields.  For example eucalyptus leaves yield voluminous amounts of oil in comparison to rose petals which produce only a tiny amount of essential oil.

Note:  Aromatherapy, like any other natural therapy, is intended to complement not replace traditional medicine.  When in doubt about any medical condition, always seek medical advice.   See legal

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