Trace Element, Chemical Analysis, Risk Assessment, Algae
- Do algae affect the amount of iodine in milk? A feed experiment that examines the quality of milk from cows that have received algae as an iodine source
- Do algae in feed affect methane emissions from cows? Feeding experiments that also examine the wholesomeness of milk and meat
- Seaweed that improves feed for dairy cows - Feed experiment that examines the effects of algae on the usefulness and health of milk
- A study of the ability of Icelandic algae to influence the methane production of cows
- Distribution of arsenic species by seaweed components, in particular arsenic lipids
Qin, N, Petursdottir, A.H, Humphries, DJ, Desnica, N., Newton, EE; Vanhatalo, A,; Halmemies-Beauchet-Filleau,A; Bell, L,: Givens, I; Juniper, DT; Gunnlaugsdóttir, H; Stergiadis, S;. Mineral concentrations in milk from cows fed seaweed (Saccharina latissima) under different basal protein supplementation, Food Chemistry - (2023). Food Chemistry, Volume 403, 134315. https://doi.org/10.1016/j.foodchem.2022.134315
Künzel, S., Yergaliyev, T., Wild, KJ, Philippi, H., Petursdottir, AH, Gunnlaugsdottir, H., Reynolds, CK, Humphries, DJ, Camarinha-Silva, A., & Rodehutscord, M. Methane Reduction Potential of Brown Seaweeds and Their Influence on Nutrient Degradation and Microbiota Composition in a Rumen Simulation Technique - (2022). Frontiers in Microbiology, 13, . https://doi.org/10.3389/fmicb.2022.889618
Huang, Z., Bi, R., Musil, S., Pétursdóttir, Á. H., Luo, B., Zhao, P., Tan, X., & Jia, Y . Arsenic species and their health risks in edible seaweeds collected along the Chinese coastline - (2022). Science of the Total Environment, 847, 157429. https://doi.org/10.1016/j.scitotenv.2022.157429
Stergiadis, S.; Qin, N.; Faludi, G.; Beauclercq, S.; Pitt, J.; Desnica, N.; Pétursdóttir, Á.H.; Newton, EE; Angelidis, AE; Givens, I.; Humphries, DJ; Gunnlaugsdóttir, H.; Juniper, DT Mineral Concentrations in Bovine Milk from Farms with Contrasting Grazing Management - (2021). Food 2021, 10, 2733. https://doi.org/10.3390/foods10112733
Newton, EE, Pétursdóttir, Á.H., Ríkharðsson, G., Beaumal, C., Desnica, N., Giannakopoulou, K., Juniper, D., Ray, P., Stergiadis, S .. Effect of Dietary Seaweed Supplementation in Cows on Milk Macrominerals, Trace Elements and Heavy Metal Concentrations - (2021). Foods, 10, 1526.
Nanbing Qin, Gergely Faludi, Stephane Beauclercq, Joe Pitt, Natasa Desnica, Ásta Pétursdóttir, Eric E. Newton, Angelos Angelidis, Ian Givens, Darren Juniper, David Humphries, Helga Gunnlaugsdóttir, Sokratis Stergiadis. Macromineral and trace element concentrations and their seasonal variation in milk from organic and conventional dairy herds - (2021). Food Chemistry, Volume 359, .
Pétursdóttir, Á.H., Blagden J., Gunnarsson, K., Raab, A., Stengel, DB, Feldman, J., Gunnlaugsdóttir, H .. Arsenolipids are not uniformly distributed within two brown macroalgal species Saccharina latissima and Alaria esculenta - (2019). Analytical and Bioanalytical Chemistry, 411, 4973-4985.
Pétursdóttir Á.H., Gunnlaugsdóttir H. Selective and fast screening method for inorganic arsenic in seaweed using hydride generation inductively coupled plasma mass spectrometry (HG-ICPMS) - (2019). Microchemical Journal, 144, 45-50.
Marschner, K., Pétursdóttir, Á.H., Bücker, P., Raab, A., Feldmann, J., Mester, Z., Matoušek, T., Musil, S .. Validation and inter-laboratory study of selective hydride generation for fastscreening of inorganic arsenic in seafood - (2019). Analytica Chimica Acta, 1049, 20-28.
Pétursdóttir, Á.H., Rodrigues de, J, J., Gunnlaugsdóttir, H., Feldmann, J .. Quantification of labile and stable non-polar arsenolipids in commercial fish meals and edible seaweed samples - (2018). Journal of Analytical Atomic Spectro-metry, 1, 102-110.
Marschner, K., Pétursdóttir, Á.H., Bücker, P., Raab, A., Feldmann, J., Mester, Z., Matoušek, T., Musil, S .. Validation and inter-laboratory study of selective hydride generation for fast screening of inorganic arsenic in seafood - (2018). Analytica Chimica Acta, 21, 20-28.
Petursdóttir, AH, Fletcher K., Gunnlaugsdóttir H., Krupp E., Küpper FC, Feldmann J .. Environmental effects on arsenosugars and arsenolipids in Ectocarpus (Phaeophyta) - (2015). Environmental Chemistry, 13(1), 21-33.
Petursdottir AH, Sloth J., Feldmann J .. Introduction of regulations for arsenic in feed and food with emphasis on inorganic arsenic, and implications for analytical chemistry - (2015). Analytical and Bioanalytical Chemistry, 407, 8385-8396.
Petursdottir, AH, Gunnlaugsdottir, H., Krupp, EM, Feldmann, J .. Inorganic arsenic in seafood: Does the extraction method matter? - (2014). Food Chemistry, 150, 353-359.
Petursdottir AH, Friedrich, N., Musil, S., Raab, A., Gunnlaugsdottir, H., Krupp, EM, Feldmann, J .. Hydride generation ICP-MS as a simple method for determination of inorganic arsenic in rice for routine biomonitoring - (2014). Analytical Methods, 6, 5392-5396.
Musil, S., Petursdottir, A., Raab, A., Gunnlaugsdottir, H., Krupp, E., Feldmann, J .. Speciation without chromatography using selective hydride generation: inorganic arsenic in rice and samples of marine origin - (2014). Analytical Chemistry, 86(2), 993-999.
Ásta Heiðrún Pétursdóttir, Helga Gunnlaugsdóttir, Hrönn Jörundsdóttir, Andrea Raab, Eva M. Krupp, Jörg Feldmann. Determination of inorganic arsenic in seafood: Emphasizing the need for certified reference materials - (2012). Pure and Applied Chemistry, 84(2), 191-202.
Pétursdóttir, Á.H., Gunnlaugsdóttir, H., Jörundsdóttir, H., Adrien Mestrot, Krupp, EM, Feldmann, J .. HPLC-HG-ICP-MS: a sensitive and selective method for inorganic arsenic in seafood - (2012). Analytical Chemistry, 404(8), 2185-2191.
Kenneth O. Amayo, Asta Petursdottir, Chris Newcombe, Helga Gunnlaugsdottir, Andrea Raab, Eva M. Krupp, Jörg Feldmann. Identification and Quantification of Arsenolipids Using Reversed-Phase HPLC Coupled Simultaneously to High-Resolution ICPMS and High-Resolution Electrospray MS without Species-Specific Standards - (2011). Analytical Chemistry, 83, 3589-3595.
Fibrous and healthy skin? Pesticides, heavy metals and nutrients in the exterior and interior of Icelandic and imported vegetables and fruits.
Seaweed supplementation to mitigate methane (CH4) emissions by cattle
Seaweed supplementation to mitigate methane (CH4) emissions by cattle (SeaCH4NGE-PLUS)
Bibliography / Publications
Ásta Heiðrún E. Pétursdóttir, 2014, Inorganic and lipophilic arsenic in food commodities with an emphasis on seafood. PhD Thesis in Analytical Chemistry. University of Aberdeen, Aberdeen, UK.
Ásta Heiðrún E. Pétursdóttir, 2010, Determination of toxic and non-toxic arsenic species in Icelandic fish meal. Master's Thesis in Analytical Chemistry. University of Iceland, Reykjavik, Iceland.
Rósa Jónsdóttir, Ásta Heiðrún Pétursdóttir, Halldór Benediktsson, Hilma B. Eiðsdóttir, Karl Gunnarsson, Jóna Freysdóttir. Ecological impact on bioactive chemicals in brown seaweeds and their utilization. Matís report 08-15. Closed report. Report summary.
A. Petursdottir, S. Musil, N. Friedrich, A. Raab, E. Krupp, J. Feldmann. High throughput determination of inorganic arsenic in rice using hydride generation-ICP-MS. Application note, Agilent Technologies, July. 2015 Report
Ásta Heiðrún E. Pétursdóttir, Hrönn Ólína Jörundsdóttir, Helga Gunnlaugsdóttir. Food safety and added value of Icelandic fishmeal - Determination of toxic and non-toxic arsenic species in fish meal / Value and safety of Icelandic fishmeal - Analysis of toxic and non-hazardous forms of arsenic in fishmeal. Matís Report 45-10.