Browsing Brage NMBU by Author "Afseth, Nils Kristian"
Now showing items 1-17 of 17
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Assessment of the scalability of a microtiter plate system for screening of oleaginous microorganisms
Kòsa, Gergely; Vuoristo, Kiira; Horn, Svein Jarle; Zimmermann, Boris; Afseth, Nils Kristian; Kohler, Achim; Shapaval, Volha (Journal article; Peer reviewed, 2018) -
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 ... -
Factors influencing the processing quality of potatoes : development of analytical tools for process monitoring and optimization
Helgerud, Trygve (PhD Thesis;2015:30, Doctoral thesis, 2017-11-30)Potatoes are notoriously heterogeneous, and manufacturers of processed potato products are therefore faced with a number of challenges during processing. The motivation behind this thesis is to reduce waste and cut production ... -
Fourier transform infrared spectroscopy (FTIR) for detection and quantification of milk components for cattle health monitoring
Stehr, Felicia Judith Marie (Master thesis, 2017)Antallet automatiske melkesystemer (AMS-er) har økt jevnt de siste årene på grunn av større besetninger og høyere krav til effektivitet. Med et AMS kan kua velge når og hvor ofte hun vil melkes. Ulike målinger av kua og ... -
Fra restmaterialer til verdifulle proteinprodukter
Farstad, Paul (Master thesis, 2016-09-30)Det har i de siste få tiårene vært en økende interesse for bioaktive peptider. Bioaktive peptider er kortere proteinkjeder, som har vist seg for å ha noen gunstige egenskaper. De kan utvinnes fra alt av proteinholdige ... -
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 (Journal article; Peer reviewed, 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 ... -
High-throughput screening of Mucoromycota fungi for production of low- and high-value lipids
Kosa, Gergely; Zimmermann, Boris; Kohler, Achim; Ekeberg, Dag; Afseth, Nils Kristian; Mounier, Jerome; Shapaval, Volha (Journal article; Peer reviewed, 2018) -
Low salt products Final report
Aursand, Ida Grong; Greiff, Kirsti; Erikson, Ulf Gøran; Gallart-Jornet, Lorena; Perisic, Nebojsa; Kohler, Achim; Afseth, Nils Kristian; Ofstad, Ragni; Storrø, Ivar; Josefsen, Kjell Domaas (Research report, 2014)Salt (NaCl) is the world's most established food additive, because of its excellent preservative effects, the sensorial properties and the increased food processability. In the European countries, 75-80% of salt we consume ... -
Microtiter plate cultivation of oleaginous fungi and monitoring of lipogenesis by high-throughput FTIR spectroscopy
Kòsa, Gergely; Kohler, Achim; Tafintseva, Valeria; Zimmermann, Boris; Forfang, Kristin; Afseth, Nils Kristian; Tzimorotas, Dimitrios; Vuoristo, Kiira; Horn, Svein Jarle; Jerome, Mounier; Shapaval, Volha (Journal article; Peer reviewed, 2017) -
Microtiter plate cultivation of oleaginous fungi and monitoring of lipogenesis by high-throughput FTIR spectroscopy
Kosa, Gergely; Kohler, Achim; Tafintseva, Valeria; Zimmermann, Boris; Forfang, Kristin; Afseth, Nils Kristian; Tzimorotas, Dimitrios; Vuoristo, Kiira; Horn, Svein Jarle; Mounier, Jerome; Shapaval, Volha (Journal article; Peer reviewed, 2017)Background Oleaginous fungi can accumulate lipids by utilizing a wide range of waste substrates. They are an important source for the industrial production of omega-6 polyunsaturated fatty acids (gamma-linolenic and ... -
Model-based pre-processing in Raman spectroscopy of biological samples
Liland, Kristian Hovde; Kohler, Achim; Afseth, Nils Kristian (Journal article; Peer reviewed, 2016)Model-based pre-processing has become wide spread in spectroscopy and is the standard procedure in Fourier-transform infrared spectroscopy. It has also been shown to give valuable contributions in Raman spectroscopy. ... -
Model-based pre-processing in Raman spectroscopy of biological samples
Liland, Kristian Hovde; Kohler, Achim; Afseth, Nils Kristian (Journal article; Peer reviewed, 2016)Model-based pre-processing has become wide spread in spectroscopy and is the standard procedure in Fourier-transform infrared spectroscopy. It has also been shown to give valuable contributions in Raman spectroscopy. ... -
Monitoring Protein Structural Changes and Hydration in Bovine Meat Tissue Due to Salt Substitutes by Fourier Transform Infrared (FTIR) Microspectroscopy
Perisic, Nebojsa; Afseth, Nils Kristian; Ofstad, Ragni; Kohler, Achim (Journal article; Peer reviewed, 2011) -
Pretreatment of different food rest materials for bioconversion into fungal lipid-rich biomass
Tzimorotas, Dimitrios; Afseth, Nils Kristian; Lindberg, Diana; Kjørlaug, Oda Marie; Axelsson, Lars Torsten; Shapaval, Volha (Journal article; Peer reviewed, 2018) -
Prosessmålingsteknologi for proteinhydrolysater : FTIR-spektroskopi, SEC og OPA-metode
Ruud, Mari Linnéa (Master thesis, 2018)Enzymatisk proteinhydrolyse av restråstoff fra kjøtt-, fisk- og meierindustrien, med formål om å produsere spiselige peptidprodukter, er en voksende industri. For å kunne utnytte potensialet til disse proteinene er det ... -
The relationship between fatty acid profiles in milk identified by Fourier transform infrared spectroscopy and onset of luteal activity in Norwegian dairy cattle
Martin, Adam Dunstan; Afseth, Nils Kristian; Kohler, Achim; Randby, Åshild Taksdal; Eknæs, Margrete; Waldmann, Andres; Dørum, Guro; Måge, Ingrid; Reksen, Olav (Journal article; Peer reviewed, 2015)To investigate the feasibility of milk fatty acids as predictors of onset of luteal activity (OLA), 87 lactations taken from 73 healthy Norwegian Red cattle were surveyed over 2 winter housing seasons. The feasibility of ... -
The use of Fourier‐transform infrared spectroscopy to characterize connective tissue components in skeletal muscle of Atlantic cod (Gadus morhua L.).
Sanden, Karen Wahlstrøm; Kohler, Achim; Afseth, Nils Kristian; Böcker, Ulrike; Rønning, Sissel Beate; Liland, Kristian Hovde; Pedersen, Mona Elisabeth (Journal article; Peer reviewed, 2019)In the present study, Fourier‐transform infrared spectroscopy (FTIR) is investigated as a method to measure connective tissue components that are important for the quality of Atlantic cod filets (Gadus morhua L.). The ...