Browsing NOFIMA vitenarkiv by Author "Böcker, Ulrike"
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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 ... -
Average molecular weight, degree of hydrolysis and dry-film FTIR fingerprint of milk protein hydrolysates: Intercorrelation and application in process monitoring.
Kristoffersen, Kenneth Aase; Afseth, Nils Kristian; Böcker, Ulrike; Lindberg, Diana; Wubshet, Sileshi Gizachhew; de Vogel-vanden Bosch, Heleen; Ruud, Mari Linnea (Peer reviewed; Journal article, 2020)Fourier-transform infrared (FTIR) spectroscopy was applied to predict the degree of hydrolysis (DH%) and weight-average molecular weight (Mw) in milk protein hydrolysates. Both DH% and Mw are important quality parameters ... -
Characterization of Collagen Structure in Normal, Wooden Breast and Spaghetti Meat Chicken Fillets by FTIR Microspectroscopy and Histology
Sanden, Karen Wahlstrøm; Böcker, Ulrike; Ofstad, Ragni; Pedersen, Mona Elisabeth; Høst, Vibeke; Afseth, Nils Kristian; Rønning, Sissel Beate; Pleshko, Nancy (Peer reviewed; Journal article, 2021)Recently, two chicken breast fillet abnormalities, termed Wooden Breast (WB) and Spaghetti Meat (SM), have become a challenge for the chicken meat industry. The two abnormalities share some overlapping morphological features, ... -
Combined magnetic ligand fishing and high-resolution inhibition profiling for identification of α-glucosidase inhibitory ligands: A new screening approach based on complimentary inhibition and affinity profiles
Wubshet, Sileshi Gizachhew; Liu, Bingrui; Kongstad, Kenneth T.; Böcker, Ulrike; Petersen, Malene J.; Li, Tuo; Wang, Junru; Staerk, Dan (Journal article; Peer reviewed, 2019)Plants are well-recognized sources of inhibitors for -glucosidase - a key target enzyme for management of type 2 diabetes. Recently, two advanced bioactivity-profiling techniques, i.e., ligand fishing and high-resolution ... -
Dietary intake of micronized avian eggshell membrane in aged mice reduces circulating inflammatory markers, increases microbiota diversity, and attenuates skeletal muscle aging
Rønning, Sissel Beate; Carlsen, Harald; Rocha, Sergio Domingos Cardoso; Rud, Ida; Solberg, Nina; Høst, Vibeke; Veiseth-Kent, Eva; Arnesen, Henriette; Bergum, Silje; Kirkhus, Bente; Böcker, Ulrike; Abedali, Nada; Rundblad, Amanda; Bålsrud, Pia; Måge, Ingrid; Holven, Kirsten Bjørklund; Ulven, Stine Marie; Pedersen, Mona Elisabeth (Peer reviewed; Journal article, 2024)Introduction: Avian eggshell membrane (ESM) is a complex extracellular matrix comprising collagens, glycoproteins, proteoglycans, and hyaluronic acid. We have previously demonstrated that ESM possesses anti-inflammatory ... -
The effect of adding eggshell membrane to emulsified meat models in terms of structure, water-holding, and texture
Rødbotten, Rune; Böcker, Ulrike; Høst, Vibeke; Dankel, Elin Katinka; Sanden, Karen Wahlstrøm; Pedersen, Mona Elisabeth; Ofstad, Ragni (Journal article, 2022)This study was conducted to evaluate the effect of adding eggshell membrane (ESM), a by-product of the chicken egg processing industry, to emulsified meat models with different NaCl concentrations. The aim was to examine ... -
Effect of Citric Acid Cross Linking on the Mechanical, Rheological and Barrier Properties of Chitosan
Sharmin, Nusrat; Rosnes, Jan Thomas; Prabhu, Leena; Böcker, Ulrike; Sivertsvik, Morten (Peer reviewed; Journal article, 2022)In this study, acetic acid (AA-2% w/v), a combination of acetic acid and citric acid (AA-1% w/v + CA-1% w/w), and three different concentrations of citric acid (CA-2, 4 and 6% w/w) were used to create chitosan solution. ... -
Effects of poultry raw material variation and choice of protease on protein hydrolysate quality
Lindberg, Diana; Kristoffersen, Kenneth Aase; de Vogel-van den Bosch, Heleen; Wubshet, Sileshi Gizachew; Böcker, Ulrike; Rieder, Anne; Fricke, Enno; Afseth, Nils Kristian (Peer reviewed; Journal article, 2021)The aim of this study was to investigate the role of compositional variations in side-streams from the chicken and turkey industry on product characteristics after enzymatic protein hydrolysis (EPH). Variation was obtained ... -
Environmental factors associated with glutenin polymer assembly during grain maturation
Koga, Shiori; Aamot, Heidi Udnes; Uhlen, Anne Kjersti; Seehusen, Till; Veiseth-Kent, Eva; Hofgaard, Ingerd Skow; Moldestad, Anette; Böcker, Ulrike (Peer reviewed; Journal article, 2020)This study aims to understand the environmental factors, focusing on rain and fungal infection, affecting the assembly of glutenin polymers during grain maturation. Spring wheat was grown in the field and grains were sampled ... -
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 ... -
Fourier-transform infrared (FTIR) fingerprinting for quality assessment of protein hydrolysates
Måge, Ingrid; Böcker, Ulrike; Wubshet, Sileshi Gizachew; Lindberg, Diana; Afseth, Nils Kristian (Peer reviewed; Journal article, 2021)Enzymatic protein hydrolysis can be used industrially for refining peptides from poultry by-products. The aim is to introduce these peptides for human consumption, but today the majority is used for feed or pet food. One ... -
Fourier-transform infrared spectroscopy for characterization of liquid protein solutions: A comparison of two sampling techniques
Kafle, Bijay; Böcker, Ulrike; Wubshet, Sileshi Gizachew; Dankel, Elin Katinka; Måge, Ingrid; O'Farrell, Marion; Afseth, Nils Kristian (Peer reviewed; Journal article, 2023) -
Fourier-transform infrared spectroscopy for monitoring proteolytic reactions using dry-films treated with trifluoroacetic acid
Kristoffersen, Kenneth Aase; van Amerongen, Aart; Böcker, Ulrike; Lindberg, Diana; Wubshet, Sileshi Gizachew; de Vogel-van den Bosch, Heleen; Horn, Svein Jarle; Afseth, Nils Kristian (Peer reviewed; Journal article, 2020)In this study we explore the potential of using Fourier-transform infrared (FTIR) spectra of trifluoroacetate-protein and peptide complexes for monitoring proteolytic reactions. The idea of treating dry-films of protein ... -
From laboratory to industrial use: Understanding process variation during enzymatic protein hydrolysis with dry film fourier-transform infrared spectroscopy
Kafle, Bijay; Måge, Ingrid; Wubshet, Sileshi Gizachew; Dankel, Elin Katinka; Cattaldo, Marco; Böcker, Ulrike; O'Farrell, Marion; Afseth, Nils Kristian (Peer reviewed; Journal article, 2024) -
FTIR-based hierarchical modeling for prediction of average molecular weights of protein hydrolysates
Kristoffersen, Kenneth Aase; Liland, Kristian Hovde; Böcker, Ulrike; Wubshet, Sileshi Gizachhew; Lindberg, Diana; Horn, Svein Jarle; Afseth, Nils Kristian (Peer reviewed; Journal article, 2019)In the presented study, Fourier-transform infrared (FTIR) spectroscopy is used to predict the average molecular weight of protein hydrolysates produced from protein-rich by-products from food industry using commercial ... -
FTIR-based prediction of collagen content in hydrolyzed protein samples
Kristoffersen, Kenneth Aase; Måge, Ingrid; Wubshet, Sileshi Gizachew; Böcker, Ulrike; Riiser Dankel, Katinka; Lislelid, Andreas; Rønningen, Mats Aksnes; Afseth, Nils Kristian (Peer reviewed; Journal article, 2023) -
High-Throughput Biochemical Fingerprinting of Saccharomyces cerevisiae by Fourier Transform Infrared Spectroscopy
Kohler, Achim; Böcker, Ulrike; Shapaval, Volha; Forsmark, Annabelle; Andersson, Mats; Warringer, Jonas; Martens, Harald; Omholt, Stig William; Blomberg, Anders (Journal article, 2015) -
Improved estimation of in vitro protein digestibility of different foods using size exclusion chromatography
Rieder, Anne; Afseth, Nils Kristian; Böcker, Ulrike; Knutsen, Svein Halvor; Kirkhus, Bente; Mæhre, Hanne K; Ballance, Simon; Wubshet, Sileshi Gizachew (Peer reviewed; Journal article, 2021)While the harmonized INFOGEST model provides a physiologically relevant platform for simulated digestion, it needs to be combined with adequate analytical methods to enable quantification and comparison of protein digestibility ... -
Low-cost, mass-producible nanostructured surface on flexible substrate with ultra-thin gold or silver film for SERS applications
Rosqvist, Emil; Böcker, Ulrike; Sarfraz, Tina Gulin; Afseth, Nils Kristian; Tolvanen, Stiina; Peltonen, Jouko; Sarfraz, Jawad (Journal article, 2022) -
Magnetic ligand fishing using immobilized DPP-IV for identification of antidiabetic ligands in lingonberry extract
Lima, Rita de Cássia Lemos; Böcker, Ulrike; McDougall, Gordon J.; Allwood, J. William; Afseth, Nils Kristian; Wubshet, Sileshi Gizachew (Peer reviewed; Journal article, 2021)Article Authors Metrics Comments Media Coverage Abstract 1. Introduction 2. Materials and methods 3. Results and discussion 4. Conclusion Supporting information References Reader Comments (0) Figures Abstract In this work, ...