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PhytoChemia Acta

Popularization

100% identification?

26 January 2019

Popularization – Alexis St-Gelais, M. Sc., chimiste Analysis reports for essential oils profiles most often report some total of the compounds identifications. In our reports, as in scientific literature, the total almost never makes it to 100%. However, many other testing laboratories consistently report that they identified 100% of their oils in routine. How is […]

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Agarwood oil: a few characteristic compounds

20 November 2018

Alexis St-Gelais, M. Sc., chimiste – Popularization Agarwood: one of the most prized, rare, and exotic essential oils. We have discussed on these pages earlier the most common problem encountered with this material on the market, that is, serial dilutions with carriers. But what is to be expected into agarwood oil itself? There have been […]

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The other side of oils: vegetable oils and fatty acids profiles

19 June 2018

Alexis St-Gelais, M. Sc., chimiste – Popularization Quality control of essential oils is an important issue in the worlds of flavour & fragrances and aromatherapy. But most of the time, these oils are not used pure. It is in fact recommended to dilute them prior to use, and a logical and popular solution to that […]

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Oil profiles: dill

17 May 2018

Sarah-Eve Tremblay, M. Sc. A., chimiste This week, we would like to talk about a very aromatic plant with a characteristic smell: dill (Anethum graveolens). This fragrant plant resembles the fennel (Foeniculum vulgare), and both plants present a strong scent. The two species are part of the Apiaceae family. Dill can reach a height of […]

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Oil profiles: Cardamom

16 January 2018

Sarah-Eve Tremblay, M. Sc. A., chimiste Cardamom (Elettaria cardamomum) is part of the Zingiberaceae family, just like ginger, curcuma and plai. It is a perennial shrub that can reach a height of 2,5 meters with thick lateral roots on which the seeds grow. The cardamom seeds are harvested from a pod, from which they are […]

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Oil profiles: Balsam fir

20 December 2017

Sarah-Eve Tremblay, M. Sc. A., chimiste The fir is directly associated to the holidays frenzy. It is decorated with lights, garlands and, of course, a star on top. Often a small village is built at its foot. Its scent gives the house a festive and comforting smell. That is why, in this holiday season, we will […]

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Toluene in essential oils

1 November 2017

Alexis St-Gelais, M. Sc., chimiste A while ago, I mentionned in an article about Boswellia serrata essential oil that it almost always contained toluene. This compound tends to trigger unrest for some essential oils reseller and consumers, as toluene is indeed a relatively common petroleum-derived industrial solvent. The assumption thus becomes that the oil has […]

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Green, natural and organic

27 June 2017

Benoit Roger Ph. D.   In a previous blog, we talked about naturals vs. synthetics and we saw that the question is a bit trickier than it seems. In a few words, some consider (and we’re a part of them) that natural compounds are just those forged by nature or spontaneously formed during the extraction process […]

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Synthetic Methyl Salicylate and You

12 June 2017

Alexis St-Gelais, chimiste Essential oils are worth quite a lot of money. It so happens that, in order to boost profits, unscrupulous people alter oils in various ways. This “Adulterants and you” series is there to introduce you to some of the adulterations we encounter. This is because not all of them are necessarily obvious, […]

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Oxidized Oils and How to Find Them

22 May 2017

Benoit Roger, Ph.D. When we talk about essential oil quality, the first analysis to be discussed beside organoleptic evaluation (odor, color, clarity, etc.) is gas chromatography (GC-MS or GC-FID, which you can discover through our GC analysis blog series). This is entirely understandable and even justified as it brings a good overall view of essential […]

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