Browsing NOFIMA vitenarkiv by Author "Wold, Jens Petter"
Now showing items 1-20 of 55
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Analyzing μ-Calpain induced proteolysis in a myofibril model system with vibrational and fluorescence spectroscopy
Andersen, Petter Vejle; Wold, Jens Petter; Veiseth-Kent, Eva (Peer reviewed; Journal article, 2018)Degree of post-mortem proteolysis influences overall meat quality (e.g. tenderness and water holding capacity). Degradation of isolated pork myofibril proteins by μ-Calpain for 0, 15 or 45 min was analyzed using four ... -
Assessment of bulk composition of heterogeneous food matrices using Raman spectroscopy
Andersen, Petter Vejle; Wold, Jens Petter; Afseth, Nils Kristian (Peer reviewed; Journal article, 2021)Raman spectroscopy (RS) has for decades been considered a promising tool for food analysis, but widespread adoption has been held back by, e.g., high instrument costs and sampling limitations regarding heterogeneous samples. ... -
Assessment of the action spectrum for photooxidation in full fat bovine milk
Wold, Jens Petter; Skaret, Josefine; Dalsgaard, Trine Kastrup (Peer reviewed; Journal article, 2015)The action spectrum for photooxidation in full fat bovine milk was measured. Samples of milk with air or argon in headspace were exposed to narrow wavelength bands of light in the range 400–700 nm. Photooxidation in terms ... -
Assessment of the action spectrum for photooxidation in full fat bovine milk
Wold, Jens Petter; Skaret, Josefine; Dalsgaard, Trine Kastrup (Peer reviewed; Journal article, 2015)The action spectrum for photooxidation in full fat bovine milk was measured. Samples of milk with air or argon in headspace were exposed to narrow wavelength bands of light in the range 400–700 nm. Photooxidation in terms ... -
Automatic control of fat content in multiple batches of meat trimmings by process analytical technology
Wold, Jens Petter; Bjerke, Frøydis; Måge, Ingrid (Journal article, 2016) -
Automatische Kontrolle des fettgehalts in Mehrfachchargen von Fleischhabschnitten durch prozessanalytische Technologie
Wold, Jens Petter; Bjerke, Frøydis; Måge, Ingrid (Journal article, 2016) -
Automatisk kvalitetsdifferensiering av laksefilet
Heia, Karsten; Sivertsen, Agnar Holten; Wold, Jens Petter; Ottestad, Silje; Böcker, Ulrike; Carlehög, Mats; Altintzoglou, Themistoklis; Sone, Izumi; Gundersen, Bjørn (Nofima rapportserie, Research report, 2012)Hovedfokus i dette arbeidet har vært differensiering av laksefilet basert på objektiv instrumentell måling av kvalitetsparametere. Farge og fargeutvikling er viktige kvalitetsparametere for differensiering, og i dette ... -
Cage of covariance in calibration modeling: Regressing multiple and strongly correlated response variables onto a low rank subspace of explanatory variables
Eskildsen, Carl Emil Aae; Næs, Tormod; Skou, P.B.; Solberg, Lars Erik; Dankel, Elin Katinka; Basmoen, Silje A.; Wold, Jens Petter; Horn, Siri S.; Hillestad, B.; Poulsen, Nina A.; Christensen, Mette; Pieper, Theo; Afseth, Nils Kristian; Engelsen, Søren B. (Peer reviewed; Journal article, 2021)In analytical chemistry, multivariate calibration is applied when substituting a time-consuming reference measurement (based on e.g. chromatography) with a high-throughput measurement (based on e.g. vibrational spectroscopy). ... -
Calibration transfer between different spectrometers by wavelength correspondence
Tengstrand, Erik; Solberg, Lars Erik; Dankel, Elin Katinka; Lintvedt, Tiril Aurora; Afseth, Nils Kristian; Wold, Jens Petter (Peer reviewed; Journal article, 2024)In this paper we present a method for transferring calibrations between different spectrometers based on assigning wavelength correspondence. It has been tested for near-infrared (NIR) and Raman spectroscopic instruments, ... -
Characterization of wooden breast myopathy: a focus on syndecans and ECM remodeling
Pejšková, Lucie; Rønning, Sissel Beate; Kent, Matthew Peter; Solberg, Nina; Høst, Vibeke; To, Thu-Hien; Wold, Jens Petter; Lunde, Marianne; Mosleth, Ellen Færgestad; Pisconti, Addolorata; Kolset, Svein Olav; Carlson, Cathrine Rein; Pedersen, Mona Elisabeth (Peer reviewed; Journal article, 2023) -
Chemical imaging of heterogeneous muscle foods using near-infrared hyperspectral imaging in transmission mode
Wold, Jens Petter; Kermit, Martin Andreas; Segtnan, Vegard (Peer reviewed; Journal article, 2016)Foods and biomaterials are, in general, heterogeneous and it is often a challenge to obtain spectral data which are representative for the chemical composition and distribution. This paper presents a setup for near-infrared ... -
Chemical imaging of heterogeneous muscle foods using near-infrared hyperspectral imaging in transmission mode
Wold, Jens Petter; Kermit, Martin Andreas; Segtnan, Vegard (Peer reviewed; Journal article, 2016)Foods and biomaterials are, in general, heterogeneous and it is often a challenge to obtain spectral data which are representative for the chemical composition and distribution. This paper presents a setup for near-infrared ... -
Comparing Manual Counting to Automated Image Analysis for the Assessment of Fungiform Papillae Density on Human Tongue
Piochi, Maria; Monteleone, Erminio; Torri, Luisa; Masi, Camilla; Almli, Valerie Lengard; Wold, Jens Petter; Dinnella, Caterina (Journal article; Peer reviewed, 2017)The density of fungiform papillae (FPD) on the human tongue is currently taken as index for responsiveness to oral chemosensory stimuli. Visual analysis of digital tongue picture and manual counting by trained operators ... -
Diagnosing the cage of covariance to increase understanding and robustness of spectroscopic calibration models
Tengstrand, Erik; Måge, Ingrid; Solberg, Lars Erik; Afseth, Nils Kristian; Wold, Jens Petter (Peer reviewed; Journal article, 2024) -
Estimating dry matter and fat content in Blocks of Swiss cheese during production using on-line near infrared spectroscopy
Eskildsen, Carl Emil Aae; Sanden, Karen Wahlstrøm; Wubshet, Sileshi Gizachhew; Andersen, Petter Vejle; Øyaas, Jorun; Wold, Jens Petter (Peer reviewed; Journal article, 2019) -
Feasibility of In-Line Raman Spectroscopy for Quality Assessment in Food Industry: How Fast Can We Go?
Lintvedt, Tiril Aurora; Andersen, Petter Vejle; Afseth, Nils Kristian; Marquardt, Brian; Gidskehaug, Lars; Wold, Jens Petter (Peer reviewed; Journal article, 2022)Raman spectroscopy is a viable tool within process analytical technologies due to recent technological advances. In this article, we evaluate the feasibility of Raman spectroscopy for in-line applications in the food ... -
Feed-Forward Prediction of Product Qualities in Enzymatic Protein Hydrolysis of Poultry By-Products: a Spectroscopic Approach
Wubshet, Sileshi Gizachhew; Wold, Jens Petter; Afseth, Nils Kristian; Böcker, Ulrike; Lindberg, Diana; Ihunegbo, Felicia Nkem; Måge, Ingrid (Journal article; Peer reviewed, 2018)Enzymatic protein hydrolysis (EPH) is one of the industrial bioprocesses used to recover valuable constituents from food processing by-products. Extensive heterogeneity of by-products from, for example, meat processing is ... -
In-line and non-destructive monitoring of core temperature in sausages during industrial heat treatment by NIR interaction spectroscopy
Wold, Jens Petter; O'Farrell, Marion; Tschudi, Jon; Eskildsen, Carl Emil Aae; Andersen, Petter Vejle; Ottestad, Silje (Peer reviewed; Journal article, 2020) -
In-Line Estimation of Fat Marbling in Whole Beef Striploins (Longissimus lumborum) by NIR Hyperspectral Imaging. A Closer Look at the Role of Myoglobin
Wold, Jens Petter; Solberg, Lars Erik; Øvrum Gaarder, Mari; Carlehög, Mats; Sanden, Karen Wahlstrøm; Rødbotten, Rune (Peer reviewed; Journal article, 2022) -
In-Line Near-Infrared Spectroscopy Gives Rapid and Precise Assessment of Product Quality and Reveals Unknown Sources of Variation—A Case Study from Commercial Cheese Production
Solberg, Lars Erik; Wold, Jens Petter; Dankel, Elin Katinka; Øyaas, Jorun; Måge, Ingrid (Peer reviewed; Journal article, 2023)Abstract: Quality testing in the food industry is usually performed by manual sampling and at/offline laboratory analysis, which is labor intensive, time consuming, and may suffer from sampling bias. For many quality ...