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María Guðjónsdóttir - Professor

María Guðjónsdóttir

–

School of Health Sciences

María Guðjónsdóttir

Professor

Professor

Location
Nýi Garður / Ng-306
Email
mariagu [at] hi.is

Unit
Faculty of Food Science and Nutrition

Show Professional Experience

2018 - , Professor, University of Iceland
2019 - 2025, Strategic specialist / project manager, Matís Food and Biotech R&D
2021 - 2023, Dean of the Faculty of Food Science and Nutrition, University of Iceland
2018 - 2020, Vice Dean of the Faculty of Food Science and Nutrition, University of Iceland
2016 - 2018, Associate Professor, University of Iceland
2015 - 2016, Assistant professor, University of Iceland
2013 - 2015, Assistant professor, Technical University of Denmark (DTU), Kongens Lyngby, Denmark
2011 - 2012, Post doctoral researcher, Institut National de la Recherche Agronomique (INRA), Résonance Magnétique des Systèmes Biologiques (RMSB) platform - Theix, Saint-Genes-Champanelle, France.
2007 - 2011, Project manager, Matís ohf., Icelandic food and biotech R&D
2006 - 2007, Project manager and specialist, Icelandic Fisheries Laboratories

Show Published works

2025

Alternative industrial processing of seaweed meal from Ascophyllum nodosumFood and Bioproducts Processing
Multispectral imaging techniques for evaluating physicochemical-, antioxidant, and sensory properties of Alaria esculenta and Saccharina latissimaAlgal Research
Shifting units, shifting views: how product mass and protein content influence environmental impact of Icelandic lambInternational Journal of Life Cycle Assessment
Water scarcity- and carbon footprints of aquafeedAgricultural Water Management

2024

Comparative Analysis of Fatty Acid Bioaccessibility in Commercial Marine Oil SupplementsFoods
Greenhouse gas emissions of environmentally sustainable dietsJournal of Cleaner Production
Impact of frozen storage on quality and cold storage stability of smoked deep-skinned fillets from well-fed Atlantic mackerelJournal of Food Composition and Analysis
Influence of hot-smoking on the stability of fresh and frozen–thawed deep-skinned Atlantic mackerel fillets during cold storageFood Science and Nutrition
Near-Infrared Spectroscopy and Chemometrics for Effective Online Quality Monitoring and Process Control during Pelagic Fishmeal and Oil ProcessingFoods
Physicochemical- and bioactive properties of acid preserved Alaria esculenta and Saccharina latissima during storageLWT
Quality changes in cod (Gadus morhua) and redfish (Sebastes marinus) loins and tails during frozen storageJournal of Food Composition and Analysis
Sequence Segmentation of Nematodes in Atlantic Cod with Multispectral Imaging DataFoods

2023

Carcass characteristics of Nordic native cattle breedsGenetic Resources
Current status and future research needs on the quantitative water use of finfish aquaculture using Life Cycle AssessmentJournal of Cleaner Production
Otolith age determination with a simple computer vision based few-shot learning methodEcological Informatics

2022

A Comparison of Fresh and Frozen Lamb Meat—Differences in Technological Meat Quality and Sensory AttributesAnimals
Added Value of Ascophyllum nodosum Side Stream Utilization during Seaweed Meal ProcessingMarine Drugs
Biochemical characteristics and demography of the marine calanoid copepod Calanus finmarchicus during spring in Icelandic watersJournal of Plankton Research
Changes in Protein and Non-Protein Nitrogen Compounds during Fishmeal Processing—Identification of Unoptimized Processing StepsProcesses
Identification of environmental hotspots in fishmeal and fish oil production towards the optimization of energy-related processesJournal of Cleaner Production
Protein Characteristics and Bioactivity of Fish Protein Hydrolysates from Tra Catfish (Pangasius hypophthalmus) Side Stream IsolatesFoods
Protein Recovery of Tra Catfish (Pangasius hypophthalmus) Protein-Rich Side Streams by the pH-Shift MethodFoods
The fourth industrial revolution in the food industry—part IICritical Reviews in Food Science and Nutrition
Thermal-Induced Autolysis Enzymes Inactivation, Protein Degradation and Physical Properties of Sea Cucumber, Cucumaria frondosaProcesses

2021

A comparison of two different slaughter systems for lambs. Effects on carcass characteristics, technological meat quality and sensory attributesAnimals
Comparison of bovine milk oligosaccharides in native North European cattle breedsInternational Dairy Journal
Effects of anatomical variation of muscle on composition and oxidation susceptibility of Atlantic mackerel (Scomber scombrus)LWT
Efficiency of fishmeal and fish oil processing of different pelagic fish speciesJournal of Food Processing and Preservation
Expansion of Agriculture in Northern Cold-Climate RegionsFrontiers in Sustainable Food Systems
Naturally occurring glycosidases in milk from native cattle breedsMetabolites

2020

Application of Novel Techniques for Monitoring Quality Changes in Meat and Fish Products during Traditional Processing Processes: Reconciling Novelty and TraditionProcesses
Biochemical characteristics of zooplankton entering Atlantic mackerel processing plants in Iceland as side-catchFood Research International
Chemical characterization and processing suitability of zooplankton-rich side-streams from Atlantic mackerel (Scomber scombrus) processingJournal of Food Composition and Analysis
Effect of antioxidants on the sensory quality and physicochemical stability of Atlantic mackerel (Scomber scombrus) fillets during frozen storageFood Chemistry
Effects of food container depth on the quality and yield of superchilled and iced Atlantic salmonPackaging Technology and Science
Fucoidan Oligosaccharides – Bioactive and Therapeutic Potential.
The effects of varying heat treatments on lipid composition during pelagic fishmeal productionProcesses
Use of Spectroscopic Techniques to Monitor Changes in Food Quality during Application of Natural Preservatives: A ReviewAntioxidants

2019

Determination of bioactive properties of food grade extracts from Icelandic edible brown seaweed sugar kelp (Saccharina latissima) with in vitro human cell cultures (THP-1)Functional Foods in Health and Disease
Enhancing the food applications of cocoyam (Xanthosoma sagittifolium): Deductions from a three-year study.
Low field NMR for quality monitoring of 3D printed surimi from cod by-productsMagnetic Resonance in Chemistry
Low field nuclear magnetic resonance and multivariate analysis for prediction of physicochemical characteristics of Atlantic mackerel as affected by season of catch, freezing method, and frozen storage durationFood Research International
Water–Starch Interactions of Red and White Cocoyam (Xanthosoma sagittifolium)Starch/Staerke

2018

Effects of catching method, rigor status at processing, and pre-salting methods on the water distribution and characteristics of heavily salted atlantic cod (gadus morhua) muscle
Effects of pre and postrigor freezing and temperature stress during frozen storage on physicochemical stability of Atlantic herring (Clupea harengus) muscleJournal of Food Processing and Preservation
Influence of processing additives, packaging and storage conditions on the physicochemical stability of frozen Tra catfish (Pangasius hypophthalmus) filletsJournal of Food Engineering
Review of the composition and current utilization of Calanus finmarchicus – Possibilities for human consumptionTrends in Food Science and Technology
Stability of Golden redfish (Sebastes marinus) during frozen storage as affected by raw material freshness and season of captureFood Science & Nutrition
Utilizing cocoyam (Xanthosoma sagittifolium) for food and nutrition security: A reviewFood Science & Nutrition

2017

Analysis of the production of salmon fillet – Prediction of production yieldJournal of Food Engineering
Bioactive effect of sulphated polysaccharides derived from orange-footed sea cucumber (Cucumaria frondosa) toward THP-1 macrophagesBioactive Carbohydrates and Dietary Fibre
Characteristics of Xanthosoma sagittifolium roots during cooking, using physicochemical analysis, uniaxial compression, multispectral imaging and low field NMR spectroscopyJournal of Food Science and Technology
Evaluation of bioactivity of fucoidan from laminaria with in vitro human cell cultures (THP-1)Functional Foods in Health and Disease
Influence of Temperature Stress on Lipid Stability of Atlantic Herring (Clupea harengus) Muscle During Frozen StorageJAOCS, Journal of the American Oil Chemists' Society
Muscle Protein Profiles Used for Prediction of Texture of Farmed Salmon (Salmo salar L.)Journal of Agricultural and Food Chemistry
Stability of frozen Atlantic mackerel (Scomber scombrus) as affected by temperature abuse during transportationLWT - Food Science and Technology

2016

Characterization of red and white cocoyam (Xanthosoma sagittifolium) roots, flours and starches during heating by low field NMRProceedings of the XIII International Conference on the Applications of Magnetic Resonance in Food Science
Effect of brining and frozen storage on physicochemical properties of well-fed Atlantic mackerel (Scomber scombrus) intended for hot smoking and canningLWT
Influence of feeding state and frozen storage temperature on the lipid stability of Atlantic mackerel (Scomber scombrus)International Journal of Food Science and Technology
Investigation of the interaction between mucins and β-lactoglobulin under tribological stressFood Hydrocolloids
Seasonal and geographical variation in chemical composition and lipid stability of Atlantic mackerel (Scomber scombrus) caught in Icelandic watersJournal of Food Composition and Analysis

2015

Effects of electrospun chitosan wrapping for dry-ageing of beef, as studied by microbiological, physicochemical and low-field nuclear magnetic resonance analysisFood Chemistry
Spectroscopic studies of the interactions between β-lactoglobulin and bovine submaxillary mucinFood Hydrocolloids
The effects of pre-salting methods on salt and water distribution of heavily salted cod, as analyzed by ¹H and ²³Na MRI, ²³Na NMR, low-field NMR and physicochemical analysisFood Chemistry

2013

Injection of fish protein solutions of fresh saithe (Pollachius virens) fillets studied by low field Nuclear Magnetic Resonance and physicochemical measurementsJournal of Food Science and Technology
The effect of crystal size and encapsulation of salt on sodium distribution and mobility in bread as studied with 23Na double quantum filtering NMR.Magnetic Resonance in Food Science: Food for Thought

2011

Continuous quality and shelf life monitoring of retail-packed fresh cod loins in comparison with conventional methodsFood Control
Low field Nuclear Magnetic Resonance on the effect of salt and modified atmosphere packaging on cod (Gadus morhua) during superchilled storageFood Research International
Shrimp Processing Assessed by Low Field Nuclear Magnetic Resonance, Near Infrared Spectroscopy, and Physicochemical Measurements-The Effect of Polyphosphate Content and Length of Prebrining on Shrimp MuscleJournal of Food Science
The effects of pre-salting methods on water distribution and protein denaturation of dry salted and rehydrated cod - A low-field NMR studyJournal of Food Engineering

2010

Process control of lightly salted wild and farmed Atlantic cod (Gadus morhua) by brine injection, brining, and freezing-A low field NMR studyJournal of Food Science

2009

Effect of brining, modified atmosphere packaging, and superchilling on the shelf life of cod (Gadus morhua) loinsJournal of Food Science
Low field NMR Study on Wild and Farmed Cod (Gadus morhua).Magnetic Resonance in Food Science: Challenges in a changing world.
Magnetic Resonance in Food Science: Challenges in a Changing World