Browsing Brage IMR by Author "Araujo, Pedro"
Now showing items 1-19 of 19
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Apparent availability of zinc, selenium and manganese as inorganic metal salts or organic forms in plant-based diets for Atlantic salmon (Salmo salar)
silva, Marta Sofia; Kröckel, Saskia; Prabhu, Antony; Koppe, Wolfgang; Ørnsrud, Robin; Waagbø, Rune; Araujo, Pedro; Amlund, Heidi (Journal article; Peer reviewed, 2019)The composition of salmonid diets has changed from the use of mainly marine ingredients to increased use of plant ingredients, and this has an impact on the mineral content and availability. Minerals, like zinc (Zn), ... -
Assessing mineral availability in fish feeds using complementary methods demonstrated with the example of zinc in atlantic salmon
Silva, Marta Sofia; Stewart, Thea; Amlund, Heidi; Sloth, Jens Jørgen; Araujo, Pedro; Lock, Erik Jan Robert; Hogstrand, Christer; Ørnsrud, Robin; Waagbø, Rune; Prabhu, P. Antony Jesu (Peer reviewed; Journal article, 2021)Assessing the availability of dietary micro-minerals is a major challenge in mineral nutrition of fish species. The present article aims to describe a systematic approach combining different methodologies to assess the ... -
Challenges Ahead for a Rational Analysis of Vitamin D in Athletes
Araujo, Pedro; Méndez-Dávila, Cioly (Peer reviewed; Journal article, 2021)Vitamin D is an essential vitamin for the normal formation of bones and calcium absorption. It is synthesized into our body through sunlight exposure and obtained by consuming foods rich in vitamin D (e.g., fatty fish, ... -
Development of a fatty liver model using oleic acid in primary liver cells isolated from Atlantic salmon and the prevention of lipid accumulation using metformin
Espe, Marit; Xie, Shiwei; Chen, Shijun; Araujo, Pedro; Holen, Elisabeth (Journal article; Peer reviewed, 2019)The following study aimed to develop a fatty liver model in primary hepatocytes isolated from Atlantic salmon. In order to induce the fatty liver, oleic acid (OA) at 0.2 or 0.4 mM was used. Metformin, known to prevent and ... -
Dietary Lipid Modulation of Intestinal Serotonin in Ballan Wrasse (Labrus bergylta)—In Vitro Analyses
Etayo, Angela; Le, Hoang Thi My Dung; Araujo, Pedro; Lie, Kai Kristoffer; Sæle, Øystein (Peer reviewed; Journal article, 2021)Serotonin (5-HT) is pivotal in the complex regulation of gut motility and consequent digestion of nutrients via multiple receptors. We investigated the serotonergic system in an agastric fish species, the ballan wrasse ... -
Does the processing of black soldier fly larvae meal affect the amino acid solubility in Atlantic salmon (Salmo salar)?
Radhakrishnan, Gopika; Silva, Marta Sofia; Liland, Nina Sylvia; Secci, R.; Araujo, Pedro; Philip, Antony Jesu Prabhu; Belghit, Ikram (Peer reviewed; Journal article, 2024)The present work aimed to evaluate protein and amino acid (AA) digestibility/solubility of different black soldier fly larvae (BSFL) based meals for Atlantic salmon in vivo and in vitro. Three types of insect meals that ... -
Fatty acid reference intervals in red blood cells among pregnant women in Norway–Cross sectional data from the ‘Little in Norway’ cohort
Araujo, Pedro; Kjellevold, Marian; Nerhus, Ive; Dahl, Lisbeth; Aakre, Inger; Moe, Vibeke; Smith, Lars; Wik, Maria (Peer reviewed; Journal article, 2020)There is a growing interest in determining fatty acid reference intervals from pregnancy cohort, especially considering the lack of reference values for pregnant women in the literature and the generalized misconception ... -
The impact of seawater warming on fatty acid composition and nutritional quality indices of Trematomus bernacchii from the Antarctic region
Araujo, Pedro; Truzzi, Cristina; Belghit, Ikram; Antonucci, Matteo (Peer reviewed; Journal article, 2021)There is a growing interest in exploiting Antarctic fisheries for human consumption. However, information on how the nutritional qualities of these resources will respond to the predicted seawater warming in the region for ... -
In vitro assessment of protein digestibility and mineral solubility of black soldier fly larvae meals for monogastric animals
Silva, Marta Sofia; Matos, Rita; Araujo, Pedro; Lock, Erik Jan Robert; Radhakrishnan, Gopika; Prabhu, P. Antony Jesu; Belghit, Ikram (Peer reviewed; Journal article, 2022)Animal farming is a fast-growing sector which demands a large supply of feed materials and the search for novel feed ingredients with a smaller impact on the global environment has been intensified. However, before the ... -
Increasing the dietary n-6/n-3 ratio alters the hepatic eicosanoid production after acute stress in Atlantic salmon (Salmo salar)
Hundal, Bjørg Kristine; Liland, Nina Sylvia; Rosenlund, Grethe; Höglund, Erik; Araujo, Pedro; Stubhaug, Ingunn; Sissener, Nini (Peer reviewed; Journal article, 2021)Earlier studies have indicated that a high inclusion of n-6 fatty acids (FA) in feeds for Atlantic salmon can affect the stress response. To test this hypothesis, Atlantic salmon (Salmo salar) were fed diets containing ... -
A meta-analysis on the nutritional value of insects in aquafeeds
Liland, Nina Sylvia; Araujo, Pedro; Xu, X.X.; Lock, Erik Jan Robert; Radhakrishnan, Gowtham; Prabhu, P. Antony Jesu; Belghit, Ikram (Peer reviewed; Journal article, 2021)A major challenge for development of sustainable aquafeeds is its dependence on fish meal and fish oil. Similarly, it is unwanted to include more plant ingredients which adds more pressure on resources like arable land, ... -
Modeling the influence of time and temperature on the levels of fatty acids in the liver of Antarctic fish Trematomus bernacchii
Antonucci, Matteo; Belghit, Ikram; Truzzi, Cristina; Illuminati, Silvia; Araujo, Pedro (Journal article; Peer reviewed, 2019)Antarctic fish (Trematomus bernacchii) are an ideal group for studying the effect of ocean warming on vital physiological and biochemical mechanisms of adaptation, including changes in the fatty acid composition to higher ... -
Modulation of nutrient composition of black soldier fly (Hermetia illucens) larvae by feeding seaweed-enriched media
Liland, Nina Sylvia; Biancarosa, Irene; Araujo, Pedro; Biemans, Daan; Bruckner, Christian Guido; Waagbø, Rune; Torstensen, Bente Elisabeth; Lock, Erik-Jan (Peer reviewed; Journal article, 2017)Black soldier fly (Hermetia illucens) larvae are a promising source of protein and lipid for animal feeds. The nutritional composition of the BSF larvae depend partly on the composition of the feeding medium. The BSF lipid ... -
A rapid acid hydrolysis method for the determination of chitin in fish feed supplemented with black soldier fly (Hermetia illucens) larvae
Araujo, Pedro; Tamirat, Temesgen; Breivik, Joar Fjørtoft; Abdulkader, Bashir; Belghit, Ikram; Lock, Erik Jan Robert (Peer reviewed; Journal article, 2022)Insects are a natural source of feed for fish and have received more attention as a potential source of sustainable high-quality protein. However, contrasting results in different feeding trials have been ascribed to the ... -
Speciation of zinc in fish feed by size exclusion chromatography coupled to inductively coupled plasma mass spectrometry – using fractional factorial design for method optimisation and mild extraction conditions
Silva, Marta Sofia; Sele, Veronika; Sloth, Jens Jørgen; Araujo, Pedro; Amlund, Heidi (Journal article; Peer reviewed, 2018)Zinc (Zn) is an element essential to all living organisms and it has an important role as a cofactor of several enzymes. In fish, Zn deficiency has been associated with impaired growth, cataracts, skeletal abnormalities ... -
The effect of omega-3 and omega-6 polyunsaturated fatty acids on the production of cyclooxygenase and lipoxygenase metabolites by human umbilical vein endothelial cells
Araujo, Pedro; Belghit, Ikram; Aarsaether, Niels; Espe, Marit; Lucena, Eva; Holen, Elisabeth (Journal article; Peer reviewed, 2019)Although the correlation between polyunsaturated fatty acids (PUFA) and the production of pro- and anti-inflammatory metabolites is well documented, little is known about the simultaneous effect of different PUFA on the ... -
Tissue accumulation of polystyrene microplastics causes oxidative stress, hepatopancreatic injury and metabolome alterations in Litopenaeus vannamei
Zeng, Yingxu; Deng, Baichuan; Kang, Zixin; Araujo, Pedro; Mjøs, Svein Are; Lin, Jianhui; Liu, Ruina; Yang, Tao; Qu, Yuangao (Peer reviewed; Journal article, 2023)Microplastics (MPs) pose one of the major environmental threats to marine organisms and ecosystems on a global scale. Although many marine crustaceans are highly susceptible to MPs pollution, the toxicological effects and ... -
Validation of a Liquid–Liquid Extraction Method to Study the Temporal Production of D-Series Resolvins by Head Kidney Cells from Atlantic Salmon (Salmon salar) Exposed to Docosahexaenoic Acid
Araujo, Pedro; Iqbal, Sarah; Arnø, Aleksander; Espe, Marit; Holen, Elisabeth (Peer reviewed; Journal article, 2023)A simple and rapid method for the extraction of D-series resolvins (RvD1, RvD2, RvD3, RvD4, RvD5) released into Leibovitz’s L-15 complete medium by head kidney cells from Atlantic salmon and the further determination of ... -
Vitamin D supplementation during winter: Effects on stress resilience in a randomized control trial
Hansen, Anita Lill; Ambroziak, Gina; Thornton, David; Mundt, James C.; Kahn, Rachel E.; Dahl, Lisbeth; Waage, Leif; Kattenbraker, Daniel; Araujo, Pedro; Murison, Robert; Rypdal, Knut; Grung, Bjørn (Peer reviewed; Journal article, 2020)Vitamin D status may be important for stress resilience. This study investigated the effects of vitamin D supplements during winter on biological markers of stress resilience such as psychophysiological activity, serotonin, ...