Popularization
11 May 2017
Benoit Roger, Ph. D., & Alexis St-Gelais, M. Sc., chimiste We have read many times on various oils-oriented Facebook groups indications that gas chromatographic columns should be as long as possible to achieve proper separation. Similarly, it is often stated that short analysis runs negatively impact the quality of data obtained. And under the most
Plant card
18 April 2017
Alexis St-Gelais, M. Sc., chimiste Boswellia serrata grows in India, as opposed to most other commonly sold frankincense species which rather grow in the Horn of Africa and the southern Arabic peninsula. Frankincense serrata is not only segregated from a geographical point of view, but also differs from the other frankincenses chemically. This is reflected in
Research notes
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