Browsing NOFIMA vitenarkiv by Author "Wubshet, Sileshi Gizachew"
Now showing items 1-20 of 23
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Anti-listerial properties of chemical constituents of Eruca sativa (rocket salad): From industrial observation to in vitro activity
Fagerlund, Annette; Wubshet, Sileshi Gizachew; Møretrø, Trond; Schmidt, Gesine; Borge, Grethe Iren Andersen; Langsrud, Solveig (Peer reviewed; Journal article, 2021)he frequency of foodborne outbreaks epidemiologically associated with Listeria monocytogenes in fresh produce has increased in recent years. Although L. monocytogenes may be transferred from the environment to vegetables ... -
Calanus finmarchicus as a novel source of health-promoting bioactive peptides: Enzymatic protein hydrolysis, characterization, and in vitro bioactivity
Matic, Josipa; Bøgwald, Isak; Tengstrand, Erik; Rønning, Sissel Beate; Afseth, Nils Kristian; Wubshet, Sileshi Gizachew (Peer reviewed; Journal article, 2023)Calanus finmarchicus is a crustacean currently used as a source of marine lipid. The lipids are extracted by enzymatic protein hydrolysis, while the remaining peptide fraction is regarded as a byproduct. In the present ... -
Calanus fnmarchicus hydrolysate improves growth performance in feeding trial with European sea bass juveniles and increases skeletal muscle growth in cell studies
Bøgwald, Isak; Østbye, Tone‑Kari K; Pedersen, Alice Marie; Rønning, Sissel Beate; Dias, Jorge; Eilertsen, Karl-Erik; Wubshet, Sileshi Gizachew (Peer reviewed; Journal article, 2023)The world will be dependent on the development of novel feed ingredients from renewable sources to ensure sustainable growth of the aquaculture industry. Zooplankton like Calanus finmarchicus are viable new raw material ... -
Effect of Calanus finmarchicus Hydrolysate Inclusion on Diet Attractiveness for Whiteleg Shrimp (Litopenaeus vannamei)
Bøgwald, Isak; Herrig, Simon; Pedersen, Alice Marie; Wubshet, Sileshi Gizachew; Eilertsen, Karl-Erik (Peer reviewed; Journal article, 2024)Shrimp feed formulations have moved towards less fish meal and more of the readily available and cheaper plant proteins. To counteract the lower attractiveness and palatability of plant proteins, feeds are supplemented ... -
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 ... -
Encoder–decoder neural networks for predicting future FTIR spectra – application to enzymatic protein hydrolysis
Kuchta, Miroslav; Wubshet, Sileshi Gizachew; Afseth, Nils Kristian; Mardal, Kent-Andre; Liland, Kristian Hovde (Peer reviewed; Journal article, 2022)In the process of converting food-processing by-products to value-addedingredients, fine grained control of the rawmaterials, enzymes and process conditionsensures the best possible yield and eco-nomic return. However, ... -
Exploring Effects of Protease Choice and Protease Combinations in Enzymatic Protein Hydrolysis of Poultry By-Products
Lindberg, Diana; Kristoffersen, Kenneth Aase; Wubshet, Sileshi Gizachew; Hunnes, Linn Maria; Dalsnes, Marte Ryen; Dankel, Elin Katinka; Høst, Vibeke; Afseth, Nils Kristian (Peer reviewed; Journal article, 2021)A study of the effects of single and combined protease hydrolysis on myofibrillar versus collagenous proteins of poultry by-products has been conducted. The aim was to contribute with knowledge for increased value creation ... -
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 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) -
Glucoregulatory Properties of a Protein Hydrolysate from Atlantic Salmon (Salmo salar): Preliminary Characterization and Evaluation of DPP-IV Inhibition and Direct Glucose Uptake In Vitro
Bjerknes, Christian; Wubshet, Sileshi Gizachew; Rønning, Sissel Beate; Afseth, Nils Kristian; Crawford, Currie; Framroze, Bomi; Hermansen, Erland (Peer reviewed; Journal article, 2024)Metabolic disorders are increasingly prevalent conditions that manifest pathophysiologically along a continuum. Among reported metabolic risk factors, elevated fasting serum glucose (FSG) levels have shown the most substantial ... -
Immobilized protease on magnetic particles for enzymatic protein hydrolysis of poultry by-products
Glomm, Wilhelm; Wubshet, Sileshi Gizachew; Lindberg, Diana; Dankel, Katinka R.; Afseth, Nils Kristian; Stenstad, Per Martin; Johnsen, Heidi (Peer reviewed; Journal article, 2021)Immobilization of enzymes onto magnetic particles can potentially allow for enzyme reuse, which can significantly reduce the cost associated with e.g. enzymatic protein hydrolysis (EPH) of fish and meat by-products. Here, ... -
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 ... -
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, ... -
Membrane Separation of Chicken Byproduct Hydrolysate for Up-Concentration of Bioactive Peptides
Dibdiakova, Janka; Matić, Josipa; Wubshet, Sileshi Gizachew; Uhl, Wolfgang; Manamperuma, Lelum Duminda M.; Rusten, Bjørn; Vik, Eilen Arctander (Peer reviewed; Journal article, 2024)Membrane processes, such as microfiltration, ultrafiltration, and nanofiltration, are increasingly used for various applications in both upstream and downstream processing. Membrane-based processes play a critical role in ... -
Post-enzymatic hydrolysis heat treatment as an essential unit operation for collagen solubilization from poultry by-products.
Kristoffersen, Kenneth Aase; Afseth, Nils Kristian; Böcker, Ulrike; Dankel, Elin Katinka; Rønningen, Mats; Lislelid, Andreas; Ofstad, Ragni; Lindberg, Diana; Wubshet, Sileshi Gizachew (Peer reviewed; Journal article, 2022) -
Quantification of soluble solids and individual sugars in apples by Raman spectroscopy: A feasibility study
Monago-Maraña, Olga; Afseth, Nils Kristian; Knutsen, Svein Halvor; Wubshet, Sileshi Gizachew; Wold, Jens Petter (Journal article; Peer reviewed, 2021)This study reports the feasibility of using Raman spectroscopy for quantification of soluble solids and individual sugars in apples. Six different commercial apple varieties were measured by Raman spectroscopy at three ... -
Smaksnøytrale protein fra makrell (SMELL). Delrapport for AP 1
Solstad, Runar Gjerp; Vang, Birthe; Øvrum Gaarder, Mari; Molesworth, Peter Patrick; Aspevik, Tone; Dankel, Elin Katinka; Wubshet, Sileshi Gizachew; Glomm, Wilhelm; Lindberg, Diana (Nofima rapportserie, Research report, 2020)I AP1 i prosjektet Smaksnøytrale protein fra makrell (SMELL), finansiert av FHF, ble enzymatisk proteinhydrolyse på makrellrygg utført med 10 forskjellige proteaser. Dette for å finne ut hvilken protease som hadde ...