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Popularization

Underpressure: the impact of vacuum distillation on essential oil quality

21 October 2019

Benoit Roger (Ph. D.), Hubert Marceau (B. Sc., chemist), Alexis St-Gelais (M. Sc., chemist)   Have you ever tried cooking pasta atop a high mountain? OK, this is a weird introduction, but you’ll see the link. Everybody ‘’knows“ that (pure) water freezes at 0 °C and boils at 100 °C and in everyday life, this is a good

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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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