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Caffeine, an early morning subject !

9 May 2017

Dany Massé, Chimiste, B.Sc. May you drink it black, espresso or with cream, almost everyone have his own recipe for a tasty coffee. Whatever your style, there is one question that people always ask: is there more caffeine in an espresso or in an ordinary filter coffee? Ask around and most people will have some

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Research notes

Published Paper: the Scent of Indian Celery

21 October 2016

Alexis St-Gelais, M. Sc., chimiste The flora of North America is still lush with aromatic plants that have not (yet) been studied for their volatile compounds. One of these blindspots was, up to recently, a plant commonly called Indian celery (figure 1), as well as cow parsnip, which is found throughout the continent. This species (Heracleum

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Research notes

Dieugenol: An Ageing Product in Clove Basil Hydrosol

25 February 2016

Research note – Alexis St-Gelais, M. Sc., chimiste The clove basil (Ocimum gratissimum) comes for Africa. Upon distillation, it yields an essential oil containing mainly eugenol and β-caryophyllene. Circle H Institute is an organization dedicated to furthering the knowledge about hydrosols. Its manager, Ann Harman, contacted us after performing clove basil hydrodistillation using a copper apparatus. After

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Research notes

Volatile constituents of American willow male flowers

24 July 2015

Alexis St-Gelais – Research Notes The hexane extract (concrete) of young male flowers of American willow (Salix discolor Muhlenberg) was analysed by gas chromatography. Beside the waxy compounds, the main detected constituents are floral-scented alcohols and salicylaldehyde. The results are a good example of the usefulness of processing concretes into absolutes. In our region, one of

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Research notes

Published paper: The Scent of Wild Chervil

11 July 2015

Alexis St-Gelais – Research Note PhytoChemia is an uncommon business. We launched the company while still completing our master degrees, which meant we were knee deep in fundamental research in chemistry. One of the motivations – especially for me – of setting up our laboratory was to have our very own scientific playground. As chemists,

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Research notes

Published Paper: Interesting and Rare Compounds from Bolivian Molle

Research Note – Alexis St-Gelais, M. Sc., chimiste Essential oils can sometimes be surprising. It so happens that well-known species that have been frequently studied yield, in particular conditions, peculiar volatile molecules that are otherwise not widely recognized to be characteristic of the plant. When such an observation is made, it is useful to publish

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