Ragnar L. Olsen

3.8k total citations · 1 hit paper
91 papers, 3.0k citations indexed

About

Ragnar L. Olsen is a scholar working on Animal Science and Zoology, Molecular Biology and Aquatic Science. According to data from OpenAlex, Ragnar L. Olsen has authored 91 papers receiving a total of 3.0k indexed citations (citations by other indexed papers that have themselves been cited), including 46 papers in Animal Science and Zoology, 33 papers in Molecular Biology and 28 papers in Aquatic Science. Recurrent topics in Ragnar L. Olsen's work include Meat and Animal Product Quality (45 papers), Aquaculture Nutrition and Growth (27 papers) and Protein Hydrolysis and Bioactive Peptides (20 papers). Ragnar L. Olsen is often cited by papers focused on Meat and Animal Product Quality (45 papers), Aquaculture Nutrition and Growth (27 papers) and Protein Hydrolysis and Bioactive Peptides (20 papers). Ragnar L. Olsen collaborates with scholars based in Norway, Bulgaria and Spain. Ragnar L. Olsen's co-authors include Mohammad R. Hasan, Ragni Ofstad, Jogeir Toppe, Gunn Berit Olsson, Iddya Karunasagar, Iciar Martı́nez, Edel O. Elvevoll, Margrethe Esaiassen, Anne‐Marie Hermansson and Siw Kidman and has published in prestigious journals such as PLoS ONE, Journal of Agricultural and Food Chemistry and Scientific Reports.

In The Last Decade

Ragnar L. Olsen

90 papers receiving 2.9k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

A limited supply of fishmeal: Impact on future increases in global aquaculture production

2012 422 citations Ragnar L. Olsen et al. profile →

Peers

Countries citing papers authored by Ragnar L. Olsen

Since Specialization

Citations

This map shows the geographic impact of Ragnar L. Olsen's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Ragnar L. Olsen with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Ragnar L. Olsen more than expected).

Fields of papers citing papers by Ragnar L. Olsen

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Ragnar L. Olsen. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Ragnar L. Olsen. The network helps show where Ragnar L. Olsen may publish in the future.

Co-authorship network of co-authors of Ragnar L. Olsen

This figure shows the co-authorship network connecting the top 25 collaborators of Ragnar L. Olsen. A scholar is included among the top collaborators of Ragnar L. Olsen based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Ragnar L. Olsen. Ragnar L. Olsen is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

#	Work	Indexed citations
1	A simple method to isolate fatty acids and fatty alcohols from wax esters in a wax-ester rich marine oil 2023 ·PLoS ONE ·(unknown), Guro K. Edvinsen, Ragnar L. Olsen	1
2	In vitro intestinal digestion of lipids from the marine diatom Porosira glacialis compared to commercial LC n-3 PUFA products 2021 ·PLoS ONE ·Lars Dalheim, (unknown), Ragnar L. Olsen	8
3	Obesity-induced alterations in the gut microbiome in female mice fed a high-fat diet are antagonized by dietary supplementation with a novel, wax ester–rich, marine oil 2020 ·Nutrition Research ·(unknown), (unknown), Jakub Mrázek, (unknown), Ragnar L. Olsen, Terje S. Larsen	13
4	Lipid yield from the diatom Porosira glacialis is determined by solvent choice and number of extractions, independent of cell disruption 2020 ·Scientific Reports ·(unknown), Lars Dalheim, Terje Vasskog, (unknown), Birthe Vang, Ragnar L. Olsen	14
5	Possible Health Effects of a Wax Ester Rich Marine Oil 2020 ·Frontiers in Pharmacology ·(unknown), (unknown), Karl‐Erik Eilertsen, Ragnar L. Olsen, Terje S. Larsen	22
6	Dietary Trace Metal Supplements Promote Blood Vessel Melanosis in Fillets of Juvenile Farmed Atlantic Cod,Gadus morhuaL. 2011 ·Journal of the World Aquaculture Society ·Marie Cooper, Ragnar L. Olsen, (unknown), (unknown)	6
7	Visible/Near‐Infrared Spectroscopy Detects Autolytic Changes during Storage of Atlantic Salmon (S almo salar L.) 2011 ·Journal of Food Science ·Izumi Sone, Ragnar L. Olsen, (unknown), Karsten Heia	18
8	Cathepsin D from Atlantic cod (Gadus morhua L.) liver. Isolation and comparative studies 2007 ·Comparative Biochemistry and Physiology Part B Biochemistry and Molecular Biology ·(unknown), Jørgen Stenvik, (unknown), Hanne K. Mæhre, Ragnar L. Olsen	26
9	An immunological study of glycosaminoglycans in the connective tissue of bovine and cod skeletal muscle 2006 ·Comparative Biochemistry and Physiology Part B Biochemistry and Molecular Biology ·(unknown), (unknown), Ragnar L. Olsen, Grethe Enersen, (unknown), Ragni Ofstad	13
10	Stimulation of type I IFN activity in Atlantic salmon (Salmo salar L.) leukocytes: Synergistic effects of cationic proteins and CpG ODN 2005 ·Fish & Shellfish Immunology ·(unknown), Audny Johansen, Ragnar L. Olsen, Jorunn B. Jørgensen	23
11	Detection of TIMP-2-like protein in Atlantic cod (Gadus morhua) muscle using two-dimensional real-time reverse zymography 2004 ·Comparative Biochemistry and Physiology Part B Biochemistry and Molecular Biology ·(unknown), Wolfgang Egge‐Jacobsen, Ragnar L. Olsen	17
12	Histone-like proteins from Atlantic cod milt: stimulatory effect on Atlantic salmon leucocytes in vivo and in vitro 2003 ·Comparative Biochemistry and Physiology Part B Biochemistry and Molecular Biology ·(unknown), Asbjørn Gildberg, Kari Steiro, Ragnar L. Olsen	18
13	Origin and spoilage potential of the microbiota dominating genus Psychrobacter in sterile rehydrated salt-cured and dried salt-cured cod (Gadus morhua) 2002 ·International Journal of Food Microbiology ·(unknown), Ragnar L. Olsen, Taran Skjerdal	49
14	Thermolabile alkaline phosphatase from Northern shrimp (Pandalus borealis): protein and cDNA sequence analyses 2001 ·Comparative Biochemistry and Physiology Part B Biochemistry and Molecular Biology ·Inge W. Nilsen, (unknown), Ragnar L. Olsen	32
15	Structure and Proposed Amino-Acid Sequence of a Pepsin from Atlantic Cod (Gadus morhua) 1998 ·Acta Crystallographica Section D Biological Crystallography ·(unknown), Edward Hough, Ragnar L. Olsen	36
16	Comparison of myosin isoenzymes present in skeletal and cardiac muscles of the Arctic charr Salvelinus alpinus (L.) 1991 ·European Journal of Biochemistry ·Iciar Martı́nez, Jørgen S. Christiansen, Ragni Ofstad, Ragnar L. Olsen	44
17	Intraspecific myosin light chain polymorphism in the white muscle of herring (Clupea harengus harengus, L.) 1990 ·FEBS Letters ·Iciar Martı́nez, Ragni Ofstad, Ragnar L. Olsen	14
18	Electrophoretic study of myosin isoforms in white muscles of some teleost fishes 1990 ·Comparative Biochemistry and Physiology Part B Comparative Biochemistry ·Iciar Martı́nez, Ragni Ofstad, Ragnar L. Olsen	14
19	Catalytic properties and chemical composition of pepsins from Atlantic cod (Gadus morhua) 1990 ·Comparative Biochemistry and Physiology Part B Comparative Biochemistry ·Asbjørn Gildberg, Ragnar L. Olsen, Jón B. Bjarnason	52
20	Purification and characterization of two trypsin-like enzymes from the digestive tract of anchovy Engraulis encrasicholus 1988 ·Comparative Biochemistry and Physiology Part B Comparative Biochemistry ·Aurora Martı́nez, Ragnar L. Olsen, Juan L. Serra	78

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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