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PhytoChemia Acta

Month: September 2014

Introducing plants from the boreal forest of Quebec – Card # 3 : Coptis trifolia (L.)

29 September 2014

Laurie Caron – Plant card Figure 1 : Plant representation. Latin name: Coptis trifolia (L.) and its former name is Coptis groenlandica (Oeder) Fern. Common Names: Goldthread Greenland, Sabouillane, Sibouillane, Gold-thread.  Small herbaceous perennial with rhizomes slender, wiry and yellow gold (Figure 1). The leaves of this plant are basal, long-stalked, glossy superiorly (Figure 2)1. […]

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Introducing plants from the boreal forest of Quebec – Card # 2 : Anaphalis margaritacea (L.) Benth. & Hook

22 September 2014

Laurie Caron – Plant Card Latin name: Anaphalis margaritacea (L.) Benth. & Hook Common names: Immortal, Immortal silver, Life-everlasting, Anaphale daisy.  Anaphalis margaritacea is a herbaceous, perennial and widespread in the temperate boreal zone1. It is often found in fields and roadsides (Figure 1). You can easily recognize this plant by its long stem (30-100 […]

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Discoveries – Horticulture Indigo: Biodiversity in your flower beds!

17 September 2014

Laurie Caron – Discoveries By chance last week, I made the discovery on the web from a Quebec company that specializes in the sale of native wild plants in Quebec. These Horticulture Indigo. Since 1994, they specialize in the production of native plants of Quebec and have to their credit over 250 species of seeds […]

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Introducing plants from the boreal forest of Quebec – Card # 1: Cornus canadensis (L.)

15 September 2014

Laurie Caron – Plant card Latin name: Cornus canadensis (L.) Common Names: Dogwood Canada, Four-time Mullets, Dwarf cornel, Bunch-berry. Cornus canadensis (L.) known as the four-time or Canadian dogwood is an herb that is found mostly in the undergrowth of the boreal forest of Quebec. An herb is a plant which by definition does not […]

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GC Analysis – Part VI. Applied Example of Analysis with Retention Indices

8 September 2014

Alexis St-Gelais – Popularization I wrote some time ago about retention indices in GC-FID and the advantages of using two columns to analyze an essential oil. Since this is a central aspect of the work we do using GC, I wished to detail a real-case analysis, allowing you to understand more clearly our methodology. Throughout […]

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Publication of a method for analysis of volatile compounds present in the plant material

2 September 2014

Laurie Caron – Summary of articles During my graduate studies in natural products chemistry at the University of Quebec at Chicoutimi (UQAC), I had the opportunity to publish a few articles related to the topic of my research. Today, I present the first of them deals with a new method for analysis of volatile compounds […]

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GC Analysis – Part V. FID or MS for Essential Oils?

Alexis St-Gelais – popularization An important task of analytical chemistry is to select the detector that best suits the purpose of an analysis. Each detector has indeed its pros and cons. In the area of essential oils, FID and MS (in total ion monitoring mode) are both commonly used, and not always wisely. Unfortunately, the difference […]

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