Our team

Annabelle St-Pierre


819 376-5011, ext. 4556
Cell phone: 418 318-6577

Main sector of activity:
Analytical chemistry, biochemistry, plant biology

Main areas of activity and research:
  • Extraction
  • Separation and purification of compounds
  • Chemical characterization
  • Bioactivity of extractables

Annabelle St-Pierre holds a Bachelor’s degree in Chemistry and a Master’s degree in Cellular and Molecular Biology from the Université du Québec à Trois-Rivières. Over the course of her academic and professional career, Annabelle has developed an expertise in plant extractives with the objective of adding value to residual biomass. She is interested in the biological activity of specialized metabolites for the development of new ingredients in the cosmeceutical, therapeutic, nutraceutical, health, and other fields.

Main publications

  • St-Pierre, A., Blondeau D., Bley, J., Bourdeau, N. Desgagné-Penix, I., 2019. Chemical Composition of Black Spruce (Picea mariana) Bark Extracts and Their Potential as Natural Disinfectant. Industrial Biotechnology 15 (3): 219-231.
  • St-Pierre, A., Blondeau, D., Lajeunesse, A., Bley, J., Bourdeau, N., Desgagné-Penix, I., 2018. Phytochemical Screening of Quaking Aspen (Populus tremuloides) Extracts by UPLC-QTOF-MS and Evaluation of their Antimicrobial Activity. Molecules (Basel, Switzerland) 23.
  • St-Pierre, A., Blondeau, D., Boivin, M., Beaupré, V., Boucher, N., Desgagné-Penix, I., 2019. Study of antioxidant properties of thylakoids and application in UV protection and repair of UV-induced damage. Journal of cosmetic dermatology.
  • St-Pierre A, Lajeunesse A and Desgagné-Penix I. Determination of Piperidine Alkaloids from Indian Tobacco (Lobelia inflata) Plants and Plant-Derived Products. Austin Biochem. 2017; 2(2): 1014.
  • Blondeau, D. St-Pierre, A., Lajeunesse A., Bley, J., Bourdeau, N., Desgagné-Penix, I., 2019. Antimicrobial activity and chemical composition of white birch (Betula papyrifera Marshall) bark extracts. MicrobiologyOpen.
  • Roberts, K., Diop, A., St-Pierre, A., Tardif, M., Vialle, A., Barnabé, S., 2019. Comparing Polyphenolic Yields from the Crowberry Empetrum nigrum L. on the Basse-Côte-Nord du Québec via Solvent and Microwave-Assisted Extractions. Industrial Biotechnology 15(3): 202-211.


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