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What are essential oils?

What are essential oils?

If you have ever enjoyed the scent of a rose, you’ve experienced the aromatic qualities of essential oils. These naturally occurring, volatile aromatic compounds are found in the seeds, bark, stems, roots, flowers, and other parts of plants. They can be both beautifully and powerfully fragrant. Essential oils give plants their distinctive smells, essential oils protect plants and play a role in plant pollination. In addition to their intrinsic benefits to plants and their beautiful fragrance, essential oils have long been used for food preparation, beauty treatment, and health-care practices.

Over 3,000 varieties of volatile aromatic compounds have been identified to date. The nature of an essential oil varies from plant to plant, within botanical families, and from species to species. The delicate ratio of aromatic constituents found in any given essential oil are what make it unique and give it specific benefits.

Essential oils can be used for a wide range of emotional and physical wellness applications. They can be used as single essential oils or in complex essential oil blends depending on user experience and desired benefit.

Purity of Essential Oils

The purity of an essential oil is its most important characteristic. Proper methods of growing, harvesting, and distilling are crucial to maintaining purity. Poor production practices and the development of synthetic essential oil variations suggest that it is impossible to accurately identify a pure essential oil without scientific analysis. Appropriate analysis of the constituents within an essential oil is one of the most challenging and detailed aspects of quality assurance.

Consumers need to know that just because a bottle says 100% pure that regulations only require a company to use 5% pure essential oils and the rest is made up of synthetics.  Therefore it is essential that consumers know a company’s testing procedures.

Validation of Quality

doTERRA employs its testing methods for validation of quality at multiple production points. Directly after plant selection, harvesting, and distillation, each essential oil is reviewed for chemical composition. A second testing sequence is initiated when the oil is received at our production facility to ensure that what was distilled and tested is the same essential oil received. A third review of the chemistry is conducted in a three-phase procedure during the actual filling process. Each of these testing steps confirms that the essential oil has remained free of contaminants and unexpected alterations during production.

Organoleptic Testing

Organoleptic testing involves the use of the human senses— sight, smell, taste, and touch. To expert distillers, the senses are used as the first line of quality testing to provide immediate clues to the acceptability of a product. Oil that has an unusual smell, uneven consistency, or strange color instantly tells the distiller that something is wrong. Often times, this testing is used as a preliminary quality control step before any other tests are conducted.

Microbial Testing

Microbial testing involves analyzing a batch of essential oils for the presence of bio-hazardous microorganisms such as fungi, bacteria, viruses, and mold. The process involves drawing a sample and then adding that sample to a sterile growth medium in an enclosed dish or plate. The sample is incubated for a period of time and then observed for microbial growth. This test is performed on product entering the manufacturing facility and on finished products prior to distribution to ensure that the product has not been contaminated during the filling process.

Gas Chromatography and Mass Spectrometry Analysis (GC/MS)

In Gas Chromatography, an essential oil is vaporized and passed through a long column to separate the oil into its individual components. Each component will travel through the column at a different speed, depending on its molecular weight and chemical properties, and is measured as it exits the column. Using this testing method, quality control analysts can determine which compounds are present in a test sample. Mass Spectrometry is used together with Gas Chromatography to further determine the composition of an essential oil. In Mass Spectrometry, the constituents previously separated by GC are ionized and sent through a series of magnetic fields. Using molecular weight and charge, the amount of each constituent can be identified, providing additional insights into the potency of the essential oil.

Fourier Transform Infrared Spectroscopy

Fourier Transform Infrared Spectroscopy (FTIR) is conducted to ensure the potency and consistent quality of a batch of essential oil. This testing method identifies the structural components of essential oil compounds. In an FTIR scan, infrared light of different frequencies is shined through a sample of essential oil and the amount of light absorbed by the sample is measured. The quality of the sample is determined by comparing the results from an FTIR reading to a historical database with absorption patterns of high quality samples.

Chirality Testing

Chirality, a word derived from the Greek word “hand,” is a term used to describe the 3D orientation of a molecule. Just as you have two hands, chiral molecules exist in two forms, distinguished as either the right or the left hand. You may visualize this principle by looking at your hands; when placed side by side, they are mirror images of each other. However, when placed on top of each other, no matter how you turn them, you cannot get them to line up exactly. In molecules, each “hand” has different chemical properties, which affects their physiologic interactions in the body. One hand is produced predominantly in nature. However, in a laboratory environment, the ratio of right- to left-handed molecules is always 50/50 due to their structural similarities. The ratio of right- to left-handed constituents can be determined through a special type of Gas Chromatography. Although not commonly performed on a batch-to-batch basis, this testing method is used to ensure that no synthetic elements are present.

Heavy Metal Testing

Heavy Metal testing shows the amount of heavy metal content in the essential oil. When properly distilled, essential oils should not contain heavy metals. ICP-MS testing uses a high-energy medium called Inductively Coupled Plasma (ICP) to ionize the sample. The sample is then run through a mass spectroscope, which separates the sample into its elemental parts and provides a reading about which elements are present and at what quantities.
what are essential oils?These are all the countries that essential oils are harvested from.
It is imperative as a consumer that you do your own research on essential oils.  It is imperative that you understand the purity of the oils you buy.  How to use the oil safely through dilution and if there is any safety concerns.
Essential oils have become a massive tool for my family and our overall well being.  On the tabs below I have put up various labels for ways you can use essential oils.  If you have any queries, do not hesitate to contact me on info@coachingforlifetimechange.com.au
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