- Analytical biochemistry, instrumental methods and multivariate
data analysis (enzymatic analyses; capillary electrophoresis;
NMR-spectrometry; NIR-spectrometry; fluorescence spectrometry;
applied multiway chemometrics; on-line and at-line measurement
techniques; sampling; multivariate image analysis).
- Physical/chemical and sensory quality parameters in fish muscle
(water distribution and mobility; water in frozen systems; protein
changes; amine formation; correlation between physical/chemical and
sensory properties; critical quality attributes in the production
(I) Project manager for and participant in several international (EU) research projects.
(II) Evaluator for The Norwegian Research Council.
(III) Evaluator of Ph.D. dissertations at University of Trondheim, University of Tromsø, Norwegian University of Life Science, University of Copenhagen and Technical University of Denmark.
(I) Analytical biochemistry and data analysis:
Development of instrumental methods (acoustical and vision-based) for determination of chemical and physical quality parameters. Water distribution and mobility in fish muscle
measured by low-field NMR. Enzymatic analysis. Multivariate data analysis in fisheries research. Mathematical transformations and simulations.
(II) Enzymatic quality deterioration of fish during storage:
TMAO degradation: enzyme properties. Lipid and protein hydrolysis and oxidation. Enzyme activities of predictive value. Effect of freezing and processes in unfrozen water.