Jeg jobber både med ernæringsepidemiologi og klinisk ernæring. 

Epidemiologiske prosjekter omfatter analyse av kosthold og kroniske, ikke-smittsomme sykdommer som hjerte-kar, kreft, fedme og diabetes, men også nevrodegenerative sykdommer. Jeg har ledet ernæringsdelen av HUSK3 (Helseundersøkelsen i Hordaland, 2018-2021, se https://husk.w.uib.no/. I HUSK undersøker vi,i en eldre kohorte, sammenhengen av kosthold med vektutvikling og muskel helse, forkomst av diabetes og med Parkinson sykdom. Også undersøker vi kosthold og risiko for Parkinson sykdom i den europeiske EPIC kohorten, i lag med DKFZ Heidelberg i Tyskland (https://www.dkfz.de/epidemiologie-von-krebserkrankungen/epic). Videre er jeg interessert i årsaker og konsekvenser av sykdoms-relatert underernæring.  

Vi gjennomfører kliniske studier med matvarer, ingredienser og med næringsstoffer. Vi er spesielt interessert i helseeffekter av brød, fullkorn og kostfiber, og har gjennomført en del studier med brød, beta-glucan og andre kostfibertyper. Vi fikk støtte fra EU til et internasjonalt forskningsprosjekt Carbhealth (https://www.healthydietforhealthylife.eu/project/carbhealth) og gjennomførte også en store vekttap-studie med ulike dietter som del av Mohn Nutrition Research Laboratory (Trond Mohn stiftelse (tidligere Bergen research foundation) https://www.nohnfoundation.no/); https://www.uib.no/en/nutrition/120713/about-mohn-nutrition-research-lab

Videre er jeg interessert i helse effekter av mikroplast. Her forsker vi på dyrestudier på effekter av mikroplast, men gjennomfører også observasjonsstudier hos mennesker. Vi fikk her støtte fra UiB gjennom det marine satsningsområdet og  EU gjennom SEAS programmet https://www4.uib.no/en/research/research-projects/seas-shaping-european-research-leaders-for-marine-sustainability

 

 

Flere foredrag både i Norge og andre land, for eksempel 

https://www.dge.de/veranstaltungen/tagungen/arbeitstagung-2025/

Medlem i "systematic review centre" til nordiske ernæringsanbefalinger 2023 (aktiv fra 2020-2023)

Nestleder i Norsk selskap for ernæring https://norskselskapforernaering.no/

Styremedlem i Plastnetverk ved UiB og organisasjon av årlig mikroplast symposium 

Courses

Bachelorprogram in Human Nutrition

NUTR100   Introduction to clinical nutrition

NUTR203   Nutrition Physiology

NUTR290   Bachelor thesis

 

Masterprogram in Clinical Nutrition

ELMED326 Genetic disorders in Nutrient Metabolism

NUCLI390A og B Master thesis 

Vitenskapelig artikkel

• Hanne Rosendahl-Riise; Eline Olsen Gravrok; Sarah Louise Rung et al. (2026). Cow's milk compared to oat drink and its implications for lipid profile - a pilot randomized controlled trial. (ekstern lenke)
• Ingrid Revheim; Zoya Sabir; Jutta Dierkes et al. (2025). Bread, wholegrain consumption and weight change from middle to late adulthood: a prospective cohort study. (ekstern lenke)
• Theogene Habumugisha; Anna Stubbendorff; Penias Tembo et al. (2025). Adherence to the EAT-lancet dietary pattern among older adults in Rwanda and its association with micronutrient intake. (ekstern lenke)
• Romina di Giuseppe; Brian Buijsse; Frank Hirche et al. (2014). Plasma fibroblast growth factor 23, parathyroid hormone, 25-hydroxyvitamin D3, and risk of heart failure: A prospective, case-cohort study. (ekstern lenke)
• Benuarda Toto; Alice Refosco; Maria O'Keeffe et al. (2022). Intestinal permeability and gene expression after polyethylene and polyamide microplastic ingestion in Wistar rats. (ekstern lenke)
• Bianca Stutz; Bettina Krueger; Janina Goletzke et al. (2024). Glycemic response to meals with a high glycemic index differs between morning and evening: a randomized cross-over controlled trial among students with early or late chronotype. (ekstern lenke)
• Åslaug Oddsdatter Matre; Anthea Van Parys; Thomas Olsen et al. (2021). The Association of Meat Intake With All-Cause Mortality and Acute Myocardial Infarction Is Age-Dependent in Patients With Stable Angina Pectoris. (ekstern lenke)
• Brian Buijsse; Heiner Boeing; Frank Hirche et al. (2013). Plasma 25-hydroxyvitamin D and its genetic determinants in relation to incident type 2 diabetes: a prospective case-cohort study. (ekstern lenke)
• Romina di Giuseppe; Tilman Kühn; Frank Hirche et al. (2015). Plasma fibroblast growth factor 23 and risk of cardiovascular disease: results from the EPIC-Germany case-cohort study. (ekstern lenke)
• Theogene Habumugisha; Ingunn Marie Stadskleiv Engebretsen; Inger Elisabeth Måren et al. (2023). Reducing meat and/or dairy consumption in adults: a systematic review and meta-analysis of effects on protein intake, anthropometric values, and body composition. (ekstern lenke)
• Anthea van Parys; Maria Sandvik Brække; Therese Karlsson et al. (2021). Assessment of dietary choline intake, contributing food items and associations with one-carbon and lipid metabolites in middle-aged and elderly adults: the Hordaland Health Study. (ekstern lenke)
• Therese Karlsson; Elin Strand; Jutta Dierkes et al. (2017). Associations between intake of fish and n-3 long-chain polyunsaturated fatty acids and plasma metabolites related to the kynurenine pathway in patients with coronary artery disease. (ekstern lenke)
• Åslaug Matre Anfinsen; Hanne Rosendahl-Riise; Ottar Kjell Nygård et al. (2023). Exploratory analyses on the effect of time since last meal on concentrations of amino acids, lipids, one-carbon metabolites, and vitamins in the Hordaland Health Study. (ekstern lenke)
• Eirik Magnus Meek Degerud; Rune Hoff; Ottar Nygård et al. (2015). Cosinor modelling of seasonal variation in 25-hydroxyvitamin D concentrations in cardiovascular patients in Norway. (ekstern lenke)
• Jutta Dierkes; Stefan Dietrich; Klaus Abraham et al. (2022). Stable isotope ratios of nitrogen and carbon as biomarkers of a vegan diet. (ekstern lenke)
• Anthea van Parys; Jostein Sæle; Nathalie Genevieve Puaschitz et al. (2022). The association between dairy intake and risk of cardiovascular disease and mortality in patients with stable angina pectoris. (ekstern lenke)
• Zoya Sabir; Jutta Dierkes; Anette Hjartåker et al. (2023). The association of dietary patterns with muscle mass and strength in old age: The Hordaland Health Study. (ekstern lenke)
• Vilde Skylstad; Harriet Aber; Victoria Bakken et al. (2021). Child alcohol use disorder in Eastern Uganda: Screening, diagnostics, risk factors and management of children drinking alcohol in Uganda (TREAT C-AUD): A mixed-methods research protocol. (ekstern lenke)

Doktorgradsavhandling

• Theogene Habumugisha; Ingunn Marie Stadskleiv Engebretsen; Jutta Dierkes et al. (2024). Implications of replacing animal-sourced foods in the diet of the older population, focusing on protein intake and muscle mass : A multi-methods study of the available evidence and empirical data from Kigali, Rwanda. (ekstern lenke)
• Eirik Magnus Meek Degerud; Jutta Dierkes (2016). Vitamin D status and cardiovascular disease. Observational studies in patients who underwent coronary angiography. (ekstern lenke)

Konferanseposter

• Ulrike Lehman; Oddrun Anita Gudbrandsen; Hanne Rosendahl Gjessing et al. (2015). FISH INTAKE AND VITAMIN D STATUS: META-ANALYSIS OF RCTS. (ekstern lenke)
• Benuarda Toto; Maria O`Keefe; Øyvind Barkhald et al. (2020). Effects of orally ingested microplastics in rats as a model organism: preliminary results. (ekstern lenke)

Konferanseforedrag

• Anne Rieder; Simon Ballance; Hanne Kirsti Mæhre et al. (2022). Dietary fibre for glycaemic control: prediction based on solution properties after simulated digestion. (ekstern lenke)

Leserbrev

• Jutta Dierkes; Manfred Eggersdorfer (2023). Oral supplementation of vitamin D is safe and can be an effective strategy to fill the nutritional gap. (ekstern lenke)

Forelesning

• Teresa Risan Haugsgjerd; Jutta Dierkes; Stein Emil Vollset et al. (2016). Association between weight change and mortality in community living older people followed for up to 14 years: the Hordaland Health Study (HUSK). (ekstern lenke)

Se en fullstendig oversikt over publikasjoner i NVA.

Utvalgte Publikasjoner 

2025

Hjorth T, Schadow A, Revheim I, Spielau U, Meyer K, Rieder A, Varela P, Ballance S, Koerner A, Landberg R, Buyken AE, Dierkes J, Rosendahl-Riise H. Effectiveness of regular oat β-glucan-enriched bread compared with whole-grain wheat bread on long-term glycemic control in adults at risk of type 2 diabetes: a randomized controlled trial. Am J Clin Nutr. 2025 Sep;122(3):724-732. doi: 10.1016/j.ajcnut.2025.06.018.

2024

Trollebø MA, Tangvik RJ, Skeie E, Grønning MK, Nygård O, Eagan TML, Dierkes J. Malnutrition as a prognostic factor for 2-year mortality in hospitalized patients in Norway: A matched cohort study. JPEN J Parenter Enteral Nutr. 2024 Apr;48(3):308-317. doi: 10.1002/jpen.2619.

2023

Sabir Z, Dierkes J, Hjartåker A, Rosendahl-Riise H. The association of dietary patterns with muscle mass and strength in old age: The Hordaland Health Study. Eur J Nutr. 2023 Oct;62(7):2739-2750. doi: 10.1007/s00394-023-03206-9.

2022

Ballance S, Mæhre HK, Rieder A, Arslan Lied G, Hindar Tvedt EK, Dierkes J. The solution properties of galactomannan after simulated digestion of guar fortified bread predict the extent of postprandial insulin reduction in healthy adult overweight subjects. Food Funct. 2022 Oct 3;13(19):9810-9821. doi: 10.1039/d2fo01762h. 

Toto B, Refosco A, O'Keeffe M, Barkhald ØH, Brønstad A, Lied GA, Yadetie F, Goksøyr A, Kögel T, Dierkes J. Intestinal permeability and gene expression after polyethylene and polyamide microplastic ingestion in Wistar rats. Toxicol Lett. 2022 Nov 1;370:35-41. doi: 10.1016/j.toxlet.2022.09.002.