Browsing NTNU Open by Author "Lerfall, Jørgen"
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A comparative study of diploid versus triploid Atlantic salmon (Salmo salar L.). The effects of rearing temperatures (5, 10 and 15 °C) on raw material characteristics and storage quality
Lerfall, Jørgen; Hasli, Pål Rune; Skare, Even Flønes; Olsen, Rolf Erik; Rotabakk, Bjørn Tore; Roth, Bjørn; Slinde, Erik; Egelandsdal, Bjørg Tordis (Journal article; Peer reviewed, 2017)Several major market operators argue that the current level of knowledge about quality is too scant to justify a switch to a large-scale production of triploid salmon. The aim of the present study was, therefore, to elucidate ... -
A comparative study of organic- versus conventional Atlantic salmon. II. Fillet color, carotenoid- and fatty acid composition as affected by dry salting, cold smoking and storage
Lerfall, Jørgen; Bendiksen, Eldar Åsgard; Olsen, Jan Vidar; Østerlie, Marianne (Journal article, 2016)The aim of the present study was to investigate the effect of dry salting, cold smoking and 14 days refrigerated storage at 4 °C on the stability of carotenoids, color and fatty acids in commercially reared organic Atlantic ... -
A comparative study of organic- versus conventional farmed Atlantic salmon. I. Pigment and lipid content and composition, and carotenoid stability in ice-stored fillets
Lerfall, Jørgen; Bendiksen, Eldar Åsgard; Olsen, Jan Vidar; Morrice, David; Østerlie, Marianne (Journal article, 2016)The aim of the present study was to investigate retention of pigments and composition of fatty acids (FA) in farmed organic- and conventional Atlantic salmon fed commercial feed adapted to organic and conventional salmon ... -
A comparison of atomized purified condensed smoke and traditionally wooden smoke in processing of cold smoked salmon (Salmo salar), in relation to quality, yield and food safety
Dahle, Melissa Moe (Master thesis, 2020)Forbrukerkrav presser matindustrien til å produsere sunnere og mindre konserverte produkter, noe som også er tilfelle for kaldrøkt laks (CSS). For CSS innebærer dette redusering av saltinnhold, men endring i røyketeknologi ... -
Alginate hydrogel beads containing anthocyanins as a freshness indicator for intelligent food packaging
Mohammadalinejhad, Samira (Doctoral theses at NTNU;2024:320, Doctoral thesis, 2024)Intelligent food packaging systems are designed to provide dynamic information about products to different stakeholders within the supply chain, including consumers, retailers, and distributors. One such example is the ... -
Antimikrobielle og antioksidative egenskaper ved butare (A. Esculenta), og bruk av butare som absorbent ved modifisert atmosfære pakking (MAP) av atlantisk laks (Salmo salar L.)
Skadal, Markus Lie (Master thesis, 2018)Det ble utført innledende forøk for å undersøke den mikrobiologiske floraen som eksisterer på rå og tørket (usterilisert), samt tørket gammabestrålt (sterilisert) butare. Dette ble undersøkt ved å dyrke prøver av disse ... -
The application of microwave and ultrasound technologies for extracting collagen from European plaice by-products
Kendler, Sophie; Kobbenes, Sine Marie Moen; Jakobsen, Anita Nordeng; Mukhatov, Kirill; Lerfall, Jørgen (Peer reviewed; Journal article, 2023)This study’s main aim was to utilize green extraction protocols to recover collagen from by-products originating from European plaice. Moreover, the objective was to evaluate pre-treatments, the composition of the up-cycled ... -
Application of soluble gas stabilization technology on ready-to-eat pre-rigor filleted Atlantic salmon (Salmo salar L.)
Jakobsen, Anita Nordeng; Gabrielsen, Lisa; Johnsen, Elena Marie; Rotabakk, Bjørn Tore; Lerfall, Jørgen (Peer reviewed; Journal article, 2022)The demand for high-quality, convenient, and sustainable salmon products represents a potential for value-added product development and novel packaging solutions. Soluble gas stabilization (SGS) technology, which applies ... -
Avskjær fra filetering av atlantisk laks (Salmo Salar L.) til produksjon av laksepålegg
Mirzaei, Mikael; Sandøy Lyster, Ola (Bachelor thesis, 2022)Ett av FN bærekraftsmål inkluderer å utrydde sult innen 2030. Dette har bidratt til interessen for forskningen og utviklingen av mer bærekraftig mat, som blant annet sjømat. Å kunne optimalisere utnyttelsen av næringsinnholdet ... -
Bioaktive komponenter fra butare (Alaria esculenta) som ingrediens i aktiv emballasje for økt holdbarhet og mattrygghet i modifisert atmosfærepakket laks (Salmo salar L.)
Østvik, Hanna (Master thesis, 2020)I denne masteroppgaven skulle det undersøkes om bioaktive komponenter fra butare (Alaria esculenta) kunne benyttes som ingrediens i en aktiv emballasjeløsning for økt holdbarhet og mattrygghet i et filetprodukt av Atlantisk ... -
Biopreservation of Atlantic salmon using lactic acid bacteria isolated from ready-to-eat seafood: Insight into antimicrobial activity, growth properties and effect on quality
Stupar, Jelena (Doctoral theses at NTNU;2024:192, Doctoral thesis, 2024)Today’s fast lifestyle and changes in dietary habits have increased the demand for ready-to-eat (RTE) seafood products. These products, rich in polyunsaturated fatty acids, proteins, essential amino acids, minerals, and ... -
Chemical and nutritional investigation of four little utilized fish species caught on the coast of Mid-Norway
Thornes, Frida Walle (Master thesis, 2022)Den kjemiske sammensetningen til fire lite utnyttende fiskearter på vestkysten i Norge ble undersøkt for å øke kunnskapen om artene og undersøke deres næringsinnhold. Tre flatfisker ble undersøkt, skrubbe (Platichthys ... -
Chemical Composition and Stability of Co-products Obtained from Primary Processing of Farmed Atlantic Salmon (Salmo salar L.)
Ulleberg, Didrik (Master thesis, 2021)Menneskehetens behov for mat øker samtidig som vi må redusere vårt økologiske fotavtrykk, noe som gjør det viktig å utnytte alle tilgjengelige ressurser. Norsk akvakultur produserer i dag store mengder koprodukter fra ... -
Chilling of Atlantic salmon (Salmo salar) in Refrigerated Seawater. Its effect on water holding properties and general quality through the whole value chain
Chan, Sherry Stephanie (Doctoral theses at NTNU;2021:393, Doctoral thesis, 2021)Water holding properties, including drip loss and water holding capacity, are important fish quality parameters. Superchilling is a preservation method prolonging the shelf life of food, where products are stored at subzero ... -
Co-products from the Atlantic salmon filleting industry – Their properties, stability and potential as human food ingredients
Ulleberg, Didrik; Sletten, Ingrid Bøe; Jakobsen, Anita Nordeng; Svenning, Jon Brage; Lerfall, Jørgen (Peer reviewed; Journal article, 2023)The present study impacts the growing knowledge about co-products obtained from the primary processing of Atlantic salmon (Salmo Salar L.) as food ingredients by highlighting their microbial and chemical composition and ... -
Comparative evaluation on the quality and shelf life of Atlantic salmon (Salmo salar L.) filets using microwave and conventional pasteurization in combination with novel packaging methods
Lerfall, Jørgen; Jakobsen, Anita Nordeng; Skipnes, Dagbjørn; Waldenstrøm, Lene; Hoel, Sunniva; Rotabakk, Bjørn Tore (Journal article; Peer reviewed, 2018)A comparative evaluation on the effect of carbon dioxide (CO2) on quality and shelf life of Atlantic salmon loins pasteurized with microwave and conventional technology was conducted. The experimental design allowed CO2 ... -
A comparative study of Atlantic salmon chilled in refrigerated seawater versus on ice: from whole fish to cold-smoked fillets
Chan, Sherry Stephanie; Roth, Bjørn; Jessen, Flemming; Løvdal, Trond; Jakobsen, Anita Nordeng; Lerfall, Jørgen (Peer reviewed; Journal article, 2020)Water and salt uptake, and water holding capacity (WHC) of whole gutted Atlantic salmon superchilled at sub-zero temperatures in refrigerated seawater (RSW) were compared to traditional ice storage. Following the entire ... -
A comparative study on quality, shelf life and sensory attributes of Atlantic salmon slaughtered on board slaughter vessels against traditional land-based facilities.
Skare, Maren; Chan, Sherry Stephanie; Handeland, Sigurd Olav; Løvdal, Trond; Lerfall, Jørgen; Roth, Bjørn (Peer reviewed; Journal article, 2021)The purpose of this study was to investigate the shelf life and quality of Atlantic salmon (Salmo salar) slaughtered onboard vessels and shipped to Denmark in −0.8 °C refrigerated seawater (RSW) as compared to traditional ... -
Comparing traditional wooden smoke and purified condensed smoke in combination with potassium lactate in cold smoked salmon (Salmo Salar L.)
Valø, Torunn (Master thesis, 2019)Den tradisjonelle røykeprosessen av kaldrøkt laks tilfører sot, aske og polysykliske aromatiske hydrokarboner (PAHs). Slike uønskede tilsetningsstoffer kan fjernes ved bruk av renset og kondensert røyk (PCS). Å redusere ... -
D2.1 User requirement specification (v1.0)
Lerfall, Jørgen; Jakobsen, Anita Nordeng; Tsakanikas, Panagiotis; Guðjónsdóttir, María (Research report, 2022)The objective of WP2 "Tracking hazards and potential measures" is to track potential hazards across the Bluebio value chain affecting food quality and safety along three crucial value chains in Europe, and more precisely: ...