Browsing NOFIMA vitenarkiv by Author "Wold, Jens Petter"
Now showing items 41-53 of 53
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Raman spectroscopy for quantification of residual calcium and total ash in mechanically deboned chicken meat
Wubshet, Sileshi Gizachhew; Wold, Jens Petter; Böcker, Ulrike; Sanden, Karen Wahlstrøm; Afseth, Nils Kristian (Journal article; Peer reviewed, 2018)According to European food safety authorities, one of the major control parameters for mechanically separated meat is calcium content, which is an indicator of residual bone. Residual bone in mechanically separated meat ... -
Raman, near-infrared and fluorescence spectroscopy for determination of collagen content in ground meat and poultry by-products.
Monago-Maraña, Olga; Wold, Jens Petter; Rødbotten, Rune; Dankel, Elin Katinka; Afseth, Nils Kristian (Journal article, 2021)Raman, near-infrared and fluorescence spectroscopy were evaluated for determination of collagen content in ground meat. Two sample sets were used (i.e. ground beef and ground poultry by-products), and collagen concentrations ... -
Rapid and Nondestructive Determination of Aleurone Content in Pearling Fractions of Barley by Near-Infrared (NIR) and Fluorescence Spectroscopies
Wold, Jens Petter; Airado-Rodriguez, Diego; Holtekjølen, Ann Katrin; Holopainen-Mantila, Ulla; Sahlstrøm, Stefan (Peer reviewed; Journal article, 2017)The aim of the present work was to develop and evaluate near-infrared (NIR) and fluorescence spectroscopies as rapid and potential online methods for determination of the amount of aleurone in pearling dust fractions of ... -
Rapid on-line detection and grading of wooden breast myopathy in chicken fillets by near-infrared spectroscopy
Wold, Jens Petter; Veiseth-Kent, Eva; Høst, Vibeke; Løvland, Atle (Peer reviewed; Journal article, 2017) -
Status på instrumentering for objektiv kvalitetsdifferensiering av lakseprodukter
Heia, Karsten; Wold, Jens Petter; Afseth, Nils Kristian (Nofima rapportserie, Research report, 2009)Noen kvalitetsvariasjoner i lakseråstoff er vanskelig å unngå da de kan skyldes naturlige individvariasjoner. I denne rapporten er muligheten for instrumentell måling av følgende kvalitetsegenskaper diskutert: Blod, melanin, ... -
Surface enhanced Raman spectroscopy of phenolic antioxidants: A systematic evaluation of ferulic acid, p-coumaric acid, caffeic acid and sinapic acid
Aguilar-Hernández, Iris; Afseth, Nils Kristian; López-Luke, Tzarara; Contreras-Torres, Flavio F.; Wold, Jens Petter; Ornelas-Soto, Nancy (Journal article; Peer reviewed, 2017)Surface-Enhanced Raman Spectroscopy (SERS) is a powerful surface-sensitive technique to study the vibrational properties of analytes at very low levels of concentration. In particular, detection of bioactive molecules, ... -
Surface enhanced Raman spectroscopy of phenolic antioxidants: A systematic evaluation of ferulic acid, p-coumaric acid, caffeic acid and sinapic acid
Aguilar-Hernández, Iris; Afseth, Nils Kristian; López-Luke, Tzarara; Contreras-Torres, Flavio F.; Wold, Jens Petter; Ornelas-Soto, Nancy (Journal article; Peer reviewed, 2017)Surface-Enhanced Raman Spectroscopy (SERS) is a powerful surface-sensitive technique to study the vibrational properties of analytes at very low levels of concentration. In particular, detection of bioactive molecules, ... -
The role of biospectroscopy and chemometrics as enabling technologies for upcycling of raw materials from the food industry
Måge, Ingrid; Wubshet, Sileshi Gizachew; Wold, Jens Petter; Solberg, Lars Erik; Böcker, Ulrike; Dankel, Elin Katinka; Lintvedt, Tiril Aurora; Kafle, Bijay; Cattaldo, Marco; Matić, Josipa; Sorokina, Liudmila; Afseth, Nils Kristian (Peer reviewed; Journal article, 2023)It is important to utilize the entire animal in meat and fish production to ensure sustainability. Rest raw materials, such as bones, heads, trimmings, and skin, contain essential nutrients that can be transformed into ... -
Untargeted classification for paprika powder authentication using visible – Near infrared spectroscopy (VIS-NIRS).
Monago-Maraña, Olga; Eskildsen, Carl Emil Aae; Galeano-Diaz, Teresa; Munoz de la Pena, Arsenio; Wold, Jens Petter (Peer reviewed; Journal article, 2020)This paper presents a novel strategy for determination of the illegal dye Sudan I in paprika powder. The method is based on fluorescence spectroscopy combined with second-order calibration, which was employed for the first ... -
Utvikling, kalibrering og verifisering av håndholdt vannmåler for klippfisk og saltfisk. Faglig sluttrapport
Wold, Jens Petter; Tschudi, Jon; O'Farrell, Marion (Nofima rapportserie, Research report, 2023) -
Utvikling, kalibrering og verifisering av håndholdt vannmåler for klippfisk og saltfisk. Fase 1: Evaluering av ulike teknologialternativer og anbefalinger for videre arbeid
Wold, Jens Petter; Andersen, Petter Vejle; Reboredo, Rodrigo González (Nofima rapportserie, Research report, 2021)I dette arbeidet er tre ulike instrumenter basert på nær-infrarød spektroskopi (NIR) testet ut for måling av vanninnhold i hel klippfisk. Et instrument basert på ledningsevne ble også testet ut, men det fungerte ikke. ... -
Utvikling, kalibrering og verifisering av håndholdt vannmåler for klippfisk og saltfisk. Leveranse 4.2: Ferdig kalibrert håndholdt prototype instrument
Wold, Jens Petter; Andersen, Petter Vejle; González Reboredo, Rodrigo; Tschudi, Jon; O’Farrell, Marion (Nofima rapportserie, Research report, 2022)I dette prosjektet har en målsetting vært å utvikle et håndholdt instrument for måling av vanninnhold i klippfisk. SINTEF Digital har utviklet en prototype av et NIR instrument som Nofima har testet ut. Resultatene er meget ... -
Visualizing indirect correlations when predicting fatty acid composition from near infrared spectroscopy measurements
Eskildsen, Carl Emil Aae; Næs, Tormod; Wold, Jens Petter; Afseth, Nils Kristian; Engelsen, Søren Balling (Chapter, 2019)In recent years, vibrational spectroscopy has been used to predict detailed sample composition like protein and fatty acid profiles. This study shows that fatty acid predictions from near infrared measurements in food ...