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PhytoChemia Acta

Tag: Essential oils

An algorithm to solve them all (almost)

7 June 2019

Alexis St-Gelais, M. Sc., chimiste – Activities and events PhytoChemia has always been proud to provide the essential oils community with GC-FID results obtained from a dual-column system – just as it is done in academia. This powerful approach is able to solve most coelutions and reach a high level of detail in analyses in […]

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An atypical Vetiver

25 February 2019

Benoit Roger, Ph. D. & Alexis St-Gelais, M. Sc., chimiste Vetiver (Vetiveria zizanioides, syn. Chrysopogon zizanioides) is one of the essential oils we receive the most often for analysis. This is also one of the most complex oil to analyse as it contains almost only sesquiterpenoids among which a lot of unknown compounds with poor […]

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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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2018 summer distillations

8 January 2019

Sylvain Mercier, M. Sc., chimiste At PhytoChemia, we always like to seek around us to find interesting plants to distill. This summer, we performed several distillations of different plants. You will find in this blog post a summary of our 2018 summer distillations along with the general composition of essential oils that we obtained, their […]

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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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Botanica 2018 – Testing the water: the rewards and challenges of hydrosol analysis

4 September 2018

Here is the lecture that we have presented at Botanica 2018 :  The aromatherapy industry interest in hydrosol has been growing in the recent years. As more practionners and enthousiast try to include them into their regiment, it gets more and more important to know their chemicals composition. Sadly, hydrosol did not get the same […]

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About Canadian wintergreen

3 July 2018

By Benoit Roger, Ph. D. Always looking for a deeper knowledge of our surrounding plants, we recently distilled eastern teaberry or American wintergreen (Gaultheria procumbens) freshly harvested in our local boreal forest (Saguenay, QC, Canada). Leafs of wintergreen and beginning of the distillation   The crushed leaves of eastern teaberry has an odor that is […]

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Beyond mosquitoes : Essential oils toxicity and repellency against insect pests: an overview

5 June 2018

Sylvain Mercier, M. Sc., chimiste If you have already been interested in the anti-mosquito action of essential oils, you probably already know the potential effectiveness of citronella as a repellent against these insects that disturb our beautiful summer evenings. Different insects can be vectors of serious diseases such as Aedes sp. which carries dengue or […]

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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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