Secretory cavities and ducts consist of large, intercellular spaces that are formed either by the separation of the walls of neighboring cells, or by the disintegration of cells.7 Cavities occur as spherical spaces and are most commonly found in the Myrtaceae and Rutaceae families. Ducts are more elongated spaces and are most commonly seen in the Asteraceae (syn. Compositae), Pinaceae, Apiaceae (syn. Umbelliferae), and Coniferae families.
"Essential oils are highly concentrated, volatile plant extracts," explains Avery. "We obtain essential oils through a few different extraction methods, and the part of the plant we get the essential oil from can be different depending on the oil but is typically the most aromatic part. Rose oil, for example, comes from the petals of the rose, while citrus oils come from the rind."
A pure, natural essential oil is an oil that is extracted from one species of plant from one specific geographical area.  The aroma profile for these oils will vary slightly from season to season and from geographical location to geographical location.  For example the lavender essential oil we sell at Moon Haven is a high altitude lavender grown and distilled in the mountains of France and we feel this is the best quality oil with the most appropriate and consistent scent profile of the plant Lavendula angustifolia.
GuruNanda sources 100% Pure & Natural Essential Oils From Farm to You® Nothing added, nothing removed. If you purchase an oil from our website and don't love it, we'll happily refund you for the cost of the product and state tax. If you purchase a Gurunanda essential oil from a retail store, we can replace it with a different essential oil for you! - No Questions Asked!
I’m pleased to hear that you are happy with your supplier. Personally, I prefer certified organic oils, and I don’t look to essential oil purveyors for information about aromatherapy. We already have a problem with conventional health care being controlled by pharmaceutical companies, and going down the same road with essential oils doesn’t feel right to me.
There is also an argument from YL distributors that their oils come from the best crops in the world. As they grow their own crops and only use their own, not sure how they can claim it’s unarguably the best in the world. Every crop is different. Only sampling every crop, every batch would support that claim. Anyway, I am not a qualified aromatherapist either but my research suggests that YL oils and their advice might be best to avoid.
This is a great resource. I’ use a variety of essential oils. I have a drawer full. Some from Young Living, Simply Earth, Do Terra and Isagenix. There are many good brands but I think people get nervous about trying new brands especially when they’ve heard from well-meaning friends that only the MLM versions are safe. While I do think MLM brands are tested extensively because they are held to very high standards and don’t want to get shut down there are some non-mlm oil brands you can safely buy especially if you plan to use them in your diffuser. I wouldn’t ingest an oil unless the bottle specifically states you can. For ingesting the brands I use right now are Isagenix and Young Living (I’m sure there are others that are safe but these state they are ingestable). I’ve written many posts about how to use oils and I switch out brands depending on my needs and what I have on hand.
The International Organization for Standardization (ISO) is a worldwide federation of national standards bodies from over 100 countries, one from each country. ISO is a non-governmental organization established in 1947. The mission of ISO is to promote the development of standardization and related activities in the world with a view to facilitating the international exchange of goods and services, and to developing cooperation in the spheres of intellectual, scientific, technological and economic activity.
Dr. Robert Pappas is the President/Technical Director at Essential Oil University. Founded in 1999 by Dr. Robert S. Pappas, EOU is an educational/informational institution dedicated to essential oil production, chemistry and uses and has the largest online database for essential oil chemistry in the world at www.essentialoils.org. Dr. Pappas is also an adjunct Professor at Indiana University. Dr. Pappas work has made him a much-sought-after consultant for companies and individuals all over the world because the information he provides helps with quality assurance and with learning how an essential oil might be useful. Dr. Pappas created the Facebook page Essential Oil University which is dedicated spreading accurate information concerning essential oils and dispelling the myths that have been hyped over the years.
I went to an Essential oils party last week (YL). They had everyone put a little bit of water in a glass, then a drop of oil (I used grapefruit) and then fill the rest with water and drink. I wondered if it was safe since I’m 27 weeks pregnant, but since the leader made no mention of caution (and one of them was also pregnant) I assumed it was ok. Now after doing research, I’m horrified and so worried I have harmed my baby! What are your thoughts? Since grapefruit is on the “safe” list and I only used one drop (and don’t plan to ever again!) do you think it’s ok? I’m completely panicking and so mad at myself for making an assumption.

Take peppermint for example. Peppermint is distilled from the whole peppermint plant and is sourced indigenously from the northwestern United States. The ratio of the constituents menthol to menthone is used as a marker for high quality peppermint oil. Certified Pure Therapeutic Grade® peppermint oil should always have a significantly higher proportion of menthol because menthol has been shown to improve the beneficial value of peppermint essential oil. One study tested the cleansing properties of peppermint essential oil from three different species. Peppermint from Mentha piperita was demonstrated to have the highest cleansing properties, which was attributed to its high amount of menthol and low amounts of menthone. Conversely, the Mentha aquatica species was shown to have significantly lower cleansing properties and also had a lower amount of menthol and a higher amount of menthone. (Mimica-Dukić N, Et Al. 2003)
Let’s re-visit one point – if distillation is too long – this can increase the toxicity of the oil. This is because there will be a greater concentration of low-boiling fractions, and sometimes these include relatively toxic substances. Yet how often have I heard that commercial distilleries “shorten” distillation times for profit reasons? That genuine, therapeutic grade essential oils have to be distilled for longer, in order to extract all the important trace constituents?
Thank you so much for this. I am being bombarded by doterra reps right now. I believe in essential oils but dislike mlm companies because they are so overpriced to pay down tge food line. I do have a few purchased from some others you have mentioned above and some not. Now I have a good place to start to build my own kits and feel confudent it will be a good oil. Thank you again.
From the best that I can understand it, YL claims that their method of testing goes far and beyond almost any other in the US. They state that the GC column length should be at least 50-60 meters in order to allow “double-phased ramping–which makes it possible to identify constituents that occur in very small percentages by increasing the separation of compounds.” YL states that almost all US labs only use a 30-meter column in their testing. The extent of this testing apparently is able to spot possible toxins that would be damaging to the brain, etc. at a molecular level.
Wow, there’s quite the controversy regarding the ingesting of oils and quality of oils. You know what would be amazing… a post that helps newbies in the EO world to know about the various EO distributors aside from YL and doTerra. I feel like the market is saturated with their jargon and I’d like to know about other suppliers so that I can make my own informed decision. Would love it if you could share any other links to companies, or resources, you might now of so I can further educate myself. TIA.
Janice – no, it’s not at all junk science, and this is what ISO standards are all about – the maximum and minimum ranges of key constituents. This does of course vary with different chemotypes, as well as different species, and it can also vary with geographical origin. So there is an ISO standard for peppermint oil from the USA, and a different one for the rest of the world. (this is not elitism – ISO standards are not US-based.)

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“This study is a re-analysis of Centers for Disease Control and Prevention (CDC) data pertaining to the relationship of autism incidence and the age at which children got their first measles-mumps-rubella (MMR) vaccine. Statistically significant relationships were observed when African-American males were considered separately while looking at those individuals who were vaccinated prior to and after a 36-month age cut-off. CDC officials observed very similar relationships as early as November 2001, but failed to report them in their final publication. In addition, a relationship is seen when specifically considering children who received a diagnosis of autism without mental retardation. Although this was reported in the original 2004 paper, it was not discussed, nor was any follow-up study conducted. Preliminary results also suggest the possibility of a synergism between thimerosal exposure and MMR timing leading to a greater risk of autism.”
Storage: Once they receive their shipments directly from the distiller (no middlemen) they immediately pour them into amber-colored bottles, then they remove the oxygen by filling the remaining space in the bottles with nitrogen before placing them in cold storage; this drastically reduces oxidation and greatly enhances the shelf-life and vibrancy of the oils. And if that weren’t special enough, Joy and Cynthia literally hand-pour every bottle to order. What this means is, the essential oil stays in cold storage, with nitrogen, until you place your order, only then will the oil be poured custom into the tiny 15mL amber bottle, just for you! No one else takes such pride and care.
Hi there! I know in your list of 21 facts you said these oils should not be ingested…I have heard otherwise about a few specific brands. What were your true thoughts on this? Do you or have you used any oils internally? Or anyoneelse on here maybe? Really wanting to heal from the inside as well as using these topically. Thanks in advance! I’m still pretty new at this so any input or advice would be great!
The statements contained herein have not been evaluated by the Food and Drug Administration. Neither Rocky Mountain Oils nor its products are intended for the purpose of diagnosing, treating, curing, or preventing any disease. If you are pregnant, nursing, taking medication, or have a medical condition, consult your physician before using these products.
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.
What I found most impressive is that they control their product right from the very botanical seeds; cultivating, harvesting and distilling many of their essential oils right on their very own farms across the world. This gives Young Living the unique ability to verify their quality standards at every step of the process. For more information on this, check out their proprietary Seed to Seal production process.
In fact, the doTerra peppermint oil contained ethyl vanillin which is a synthetic compound used for odor! So much for unadulterated oils. You cannot tell how potent, pure, or good an oil is by how beautiful it smells. Some don’t smell anything like you would expect. All of the peppermint essential oils that I have owned smelled like the peppermint that you find in a garden while doTERRA’s peppermint essential oil smells like peppermint candy.

Hi, I was wondering if anybody knows where I can get Korres organic essential oils. I bought a lavender and a geranium last year on vacation in Greece but it seems that they’re only sold there. I can’t find them anywhere on the internet which seems really odd. The quality was amazing and I really want to try the others and restock on the lavender and geranium. Please help!
THE NEW AGE OF ESSENTIAL OILS. Feel the transformation with our standardized, 100% ISO certified, and Medicinal Oil Association approved essential oils. Essential oils are the power of mother nature in the palm of your hand. Only the purest of sources can give you an abundance of natural healing phytochemicals. Only ZEVA brings you the pure medicinal power of Mother Nature, giving you a truly unique experience that you won’t find from any other source. You’ll feel the difference with true medicinal grade essential oils from ZEVA- the new age of essential oils.

Demeter stands for products of the biological-dynamic economy way, which is the most sustainable form of land cultivation and ensures the continuous growth of the humus layer. As an international organic brand, Demeter is represented on every continent. The Demeter guidelines for biological-dynamic cultivation is in 38 countries and more than 3,500 companies with an area of around 100,000 hectare accepted. TAOASIS® is a member of the Demeter association for many years now.
I wish that the essential oil market was more heavily regulated, however, this is not the case.  Many of the "essential oils" and plant oils sold on Amazon and other sites are synthetic,  and it is up to the consumer to do their homework and make sure to source from reputable companies that can provide paperwork and lab testing to back up their products.  It is up to companies to do their homework as well—and to be transparent with their customers.  A good rule of thumb is to ask companies to provide Certificates of Analysis and GC Reports when you order, any reputable essential oil supplier will be able to provide those.  
Finally we performed a common and simple test for purity. Since essential oils are not truly oils they respond differently when they come into contact with blotting paper. When pure essential oils are dropped onto a piece of blotting paper they will impregnate the paper and then evaporate leaving no obvious trace. However, if you place a drop of diluted essential oil on blotting paper, the vegetable oil used to stretch the original will leave an oily stain on the paper.
Because essential oils are obviously all-natural, it might be easy to assume that they're gentle and largely unreactive. This isn't the case at all—by definition, it's extremely potent stuff. "On average, they are up to 75 times more powerful than dried herbs," says Avery. As such, "essential oils must be handled with care." This means that a couple drops go a long way, and aside from very specific oils (more on that later), essential oils should always be diluted properly before applying them directly to skin. Whether or not essential oils should be ingested is actually a highly debated topic, and many argue that it isn't safe unless specifically advised by a doctor or expert.

I made a blend for a friend going through chemo treatments she hasn’t been using it long enough for me to know the results yet but I will share it if you want to try it. It’s: lavender, cedarwood, rosemary, Clary sage and cypress 10 drops of each in a2 ounce glass spray bottle and top with distilled water. You can add tea tree, lemon and ginger for itchy scalp if needed. Hope this helps.
I just want to add a note here on behalf of those companies like NOW and Aura Cacia and all the others from the health food store I’ve tried. They may have all good intentions. They may or may not be testing their oils, anyone can give a test. The mass spectrometry test will pass with a very high amounts of filler oils and chemicals from extraction in it. These issues may not necessarily be from the owners of companies that get oils out there, it may be from the farmers selling the oils and trying to get an extra buck or from somewhere else in the line of business people it goes through before it gets to our shelves. Our world is very focused on money so who knows where the fault really falls. If you’re wondering what brand you should use, I would recommend the three above… doTerra, TRUessence, Young Living… however, I think its better for people to decide for themselves, so maybe do your own smell test. I’ve also been told that if an oil says “not for internal consumption” then there’s a pretty high chance that it is not as pure as it should be to be safe (at least if its is on the FDA’s GRAS list). I know this is long, but hey you asked right? And anyhow, education brings true freedom.
“Extending”, “cutting” or “stretching” which is diluting an oil with a vegetable oil, an isolate from another, cheaper oil, the whole of another cheaper oil, alcohol or other solvent. An oil extended with vegetable oil will leave a stain if dropped on a piece of paper, although this test works better for clear oils like Rosemary (Rosmarinus officinalis), than for darker oils like Patchouli (Pogostemon patchouli). Other forms of adulteration are more difficult to detect without the use of gas chromatography and much experience.

Absolute essential oils are similar to their pure distilled and cold-pressed counterparts, but for various reasons the extraction process is more involved and requires the use of chemical solvents that are removed later in the production process. NOW Solutions offers two absolutes, Rose and Jasmine, which are extracted with solvents and clearly listed as such on our product labels. These two absolutes are produced by using the solvents hexane and ethanol in sequence, which are then actively reclaimed and removed via a stripping distillation process that leaves the essential oil portion intact.
So just to be clear – there is no “therapeutic grade” for any essential oil that relates to AFNOR, the EC, or ISO, and there are no separate essential oil standards set by AFNOR or the EC. So we are left with one thing – YL conforms to ISO standards. Great, that’s a good thing, but it’s far from unique. I think I already said most of this in the article that these comments derive from.
The FDA considers essential oils either cosmetics or drugs, depending on their intended use. The FDA makes decisions concerning the regulation of essential oils on a case-by-case basis. For example, if a company claimed that the aroma of an essential oil promoted attractiveness, the FDA would most likely regulate the product as a cosmetic. If a company claimed that an essential oil was effective as an aid for quitting smoking or in treating or preventing any other condition or disease, the FDA is more likely to regulate the product as a drug.
Unfortunately, this ignited and resurfaced some of the studies that are often quoted regarding the toxicity of essential oils and children. These sources for toxicity where some of the very same ones in which I reviewed and discussed the caveats to here. The sources that are referenced by the poison center also were lacking in some information I was seeking. They do not include the essential oil company, quality of the oil, and some where related to one isolated or synthetic constituent. The parts of an essential oil are not the same as the synergy of the whole essential oil.
The certification of the management system after DIN EN ISO 9001:2000 proves, that we work with sustainability on quality and efficiency. The ISO 9001:2000 norm contains an obligation for the continuos improvement and a process-oriented approach. The most important objective is the satisfaction of the clients by consequent product management and integrated service.
For those coming to this blog from the UK (we seem to be a bit behind in the information stakes in the UK. most sites i come across are US based, and so places of purchase and some terminology is non applicable for us), a good ethical and organic place to buy your oils is from G Baldwins (based in London). they don’t have as big a range in oils as you might want or find elsewhere, but after reading reviews and doing some research on other oil providing companies (and it is a minefield: hard to be assured of the authenticity) they came out best for me.
The third and most shocking thing that I learned (this was most shocking because I really felt like I had been lied to when I found this) is that the words that these companies use such as “Certified Pure Therapeutic Grade”, are TRADEMARKED PHRASES by their corresponding essential oil company. This means that the reason each of these companies claims that “no other company can say….”, it's because their company has trademarked the words…from the doTERRA website:”CPTG Certified Pure Therapeutic Grade is a registered trademark of dōTERRA Holdings, LLC representing internal standards of quality assessment and material control. The CPTG protocol is not administered by government or industry regulatory agencies and does not imply regulatory approval of dōTERRA products.”
The truth is that essential oils are an end product of the plants metabolism and emitted by the plant not circulating within the plant like blood in the body (see magnified picture of oil glands on Roman chamomile leaf). Think about what some of the end products are from human metabolism and, if you want a more accurate analogy, well you get the idea. I realize it wouldn’t be as marketable to use a tag line like “the excrement of the plant” but that would be more accurate than the “life’s blood.” But this does not mean that these end products, these secondary metabolites known as essential oils, are not extremely useful for the survival of the plant as well as being extremely beneficial to humans.
One very public example of this came in September of 2014 when the FDA cited both dōTERRA and Young Living, multi-level marketing essential oil companies. FDA agents found clear evidence that some of Young Living and dōTERRA reps were making claims that their oils could prevent and cure Ebola and many other illnesses! The situation was quickly remedied.
Rachael Armstrong, a 44-year-old mother of five from Omaha, NE, learned this the hard way last year. After weeks of rubbing grapefruit oil on her feet as an appetite suppressant and spiking her water and laundry detergent with lemon oil, she developed a severe sensitivity to the sun that left her with blisters and welts after just a few minutes exposed to its rays. “I admit I was probably overusing them,” she says. “But I don’t think people are aware that even though they’re natural products, they can do real damage.”
The best carrier oils for essential oils Carrier oils are used to dilute essential oils so that they do not irritate the skin of those who use them. There are many different plant-based oils that people can use, including coconut, rosehip, and jojoba oils. In this article, we look at several options and how they can be combined with essential oils. Read now
THE NEW AGE OF ESSENTIAL OILS. Feel the transformation with our standardized, 100% ISO certified, and Medicinal Oil Association approved essential oils. Essential oils are the power of mother nature in the palm of your hand. Only the purest of sources can give you an abundance of natural healing phytochemicals. Only ZEVA brings you the pure medicinal power of Mother Nature, giving you a truly unique experience that you won’t find from any other source. You’ll feel the difference with true medicinal grade essential oils from ZEVA- the new age of essential oils.
Here is a list from one hospital of what they use the oils for:We regularly treat gout, neuropathy, carpel tunnel, sinusitis, headaches, abdominal pain, kidney stone pain, neuralgia, tennis elbow, arthritis, back pain, leg cramps, post-op hip and knee pain and whatever else comes our way. Each patient’s need, including which Young Living Essential Oils were used, is documented in our electronic charting so we can track their outcomes. We always have a good stock of Young Living lavender, peppermint, Peace and Calming, lemongrass, Thieves and plenty of single oils to make blends for gout.
First, we need to accept and understand that individual molecules are not alive but merely three-dimensional arrangements of atoms to form unique structures in space, held together by shared electron densities that we call “bonds.” As such, an individual molecule has no "knowledge" of the pathway by which it was created and how it behaves in any system is a function of its three-dimensional structure, not of it’s origin. A molecule of say L-menthol (the main component of peppermint essential oil) will behave EXACTLY the same in any environment whether that molecule of L-menthol was made by the peppermint plant or the BASF Chemical plant. When 10 carbon atoms and 15 hydrogen atoms come together in the arrangement shown in the picture below we have L-menthol, regardless of who or what orchestrated the atoms coming together in this arrangement. L-menthol is L-menthol because of its structure. The structure is what defines the molecule, not its source.
After four long years, CHD Board Member, Dr. Brian Hooker‘sreanalysis of the CDC’s MMR-autism data from the original DeStefano et al. 2004 Pediatrics paper has been republished in the Winter 2018 Edition of the Journal of American Physicians and Surgeons. The data, when properly analyzed, using the CDC’s own study protocol, show a strong, statistically significant relationship between the timing of the first MMR vaccine and autism, specifically in African American males. In addition, a relationship also exists in the timing of the MMR vaccine and those individuals who were diagnosed with autism without mental retardation. These relationships call into question the conclusion of the original DeStefano et al. 2004 paper which dismissed a connection between the MMR vaccine and autism.
You said that YL and other MLM companies buy some of their oils from other suppliers. YL’s promotional DVDs and literature make viewers believe that everything in their bottles is in their control from “seed to seal.” However, upon closer inspection of one of their manuals, I do see references to their purchases from other distillers (upon whom they put high standards). YL stresses the importance of such things as the precise timing of harvesting plants (even to the time of day), and the timing in distilling plants (and heat/pressure used). They deem all these things as absolutely vital to making a high quality, “therepeutic” essential oil.
Hi Karen, businesses with a multi-level (network) marketing structure need to have higher prices because so many people take a cut from each sale. That’s not to say the quality of the product is not good, but you can get the same quality for less. On the other hand, you can’t necessarily go for the cheapest either! Price is only a rough guide to quality. Check out this blog post: http://tinyurl.com/ler5shs. There are several grades of ylang-ylang oil, – extra, I, II, III and complete, but this does not apply to any other essential oil https://roberttisserand.com/2014/01/re-distilled-essential-oils/
The potential danger of an essential oil is sometimes relative to its level or grade of purity, and sometimes related to the toxicity of specific chemical components of the oil. Many essential oils are designed exclusively for their aroma-therapeutic quality; these essential oils generally should not be applied directly to the skin in their undiluted or "neat" form. Some can cause severe irritation, provoke an allergic reaction and, over time, prove hepatotoxic.
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