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  1. Article: Selection of lactic acid bacteria for biopreservation of salmon products applying processing-dependent growth kinetic parameters and antimicrobial mechanisms.

    Stupar, Jelena / Hoel, Sunniva / Strømseth, Sigrid / Lerfall, Jørgen / Rustad, Turid / Jakobsen, Anita Nordeng

    Heliyon

    2023  Volume 9, Issue 9, Page(s) e19887

    Abstract: Biopreservation using lactic acid bacteria (LAB) is a promising technology to prevent the growth of pathogenic microorganisms in fresh and mildly processed food. The main aim of this study was to select LAB, originally isolated from ready-to-eat (RTE) ... ...

    Abstract Biopreservation using lactic acid bacteria (LAB) is a promising technology to prevent the growth of pathogenic microorganisms in fresh and mildly processed food. The main aim of this study was to select LAB, originally isolated from ready-to-eat (RTE) seafood, for biopreservation of fresh salmon and processed salmon products. Ten LAB strains (five
    Language English
    Publishing date 2023-09-09
    Publishing country England
    Document type Journal Article
    ZDB-ID 2835763-2
    ISSN 2405-8440
    ISSN 2405-8440
    DOI 10.1016/j.heliyon.2023.e19887
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: A novel fluorimetric assay for visualization and quantification of protein carbonyls in muscle foods.

    Cropotova, Janna / Rustad, Turid

    Food chemistry

    2019  Volume 297, Page(s) 125006

    Abstract: Muscle foods, particularly fish products are highly exposed to oxidative stress during processing and storage, resulting in oxidative modification of proteins. Protein carbonyls content has been used as one of the measures of oxidative stress. Generally, ...

    Abstract Muscle foods, particularly fish products are highly exposed to oxidative stress during processing and storage, resulting in oxidative modification of proteins. Protein carbonyls content has been used as one of the measures of oxidative stress. Generally, the resulting carbonylated proteins (CPs) have so far been labeled with 2,4-dinitrophenyl (DNP) hydrazine and detected with anti-DNP antibody. However, the applicability of this method to food samples is limited by its high price, time-consuming procedure and possibility to perform the measurements just on soluble protein fractions. We developed a simpler, faster and cheaper method to assess CP level in muscle foods, including both soluble and insoluble protein fractions, which is based on a direct reaction of protein carbonyls with 7-(diethylamino)coumarin-3-carbohydrazide (CHH). The paper describes a novel technique to label both soluble and insoluble carbonylated proteins with CHH and determine carbonyl content by fluorescence microscopy assay which correlates (R = 0.911) with conventional ELISA method.
    MeSH term(s) Animals ; Antibodies/immunology ; Enzyme-Linked Immunosorbent Assay ; Fishes/metabolism ; Fluorometry/methods ; Freezing ; Microscopy, Fluorescence ; Muscle Proteins/analysis ; Muscle Proteins/chemistry ; Oxidative Stress ; Phenylhydrazines/chemistry ; Phenylhydrazines/immunology ; Protein Carbonylation ; Reproducibility of Results
    Chemical Substances Antibodies ; Muscle Proteins ; Phenylhydrazines ; 2,4-dinitrophenylhydrazine (1N39KD7QPJ)
    Language English
    Publishing date 2019-06-13
    Publishing country England
    Document type Journal Article
    ZDB-ID 243123-3
    ISSN 1873-7072 ; 0308-8146
    ISSN (online) 1873-7072
    ISSN 0308-8146
    DOI 10.1016/j.foodchem.2019.125006
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Heterotrophic growth of Galdieria sulphuraria on residues from aquaculture and fish processing industries.

    Pleissner, Daniel / Schönfelder, Stephanie / Händel, Nicole / Dalichow, Julia / Ettinger, Judith / Kvangarsnes, Kristine / Dauksas, Egidijus / Rustad, Turid / Cropotova, Janna

    Bioresource technology

    2023  Volume 384, Page(s) 129281

    Abstract: The study aimed at zero-waste utilization of fish processing streams for cultivation of microalgae Galdieria sulphuraria. Wastewater from a fish processing facility, slam (mix of used fish feed and faeces), and dried pellet (sediments after enzymatic ... ...

    Abstract The study aimed at zero-waste utilization of fish processing streams for cultivation of microalgae Galdieria sulphuraria. Wastewater from a fish processing facility, slam (mix of used fish feed and faeces), and dried pellet (sediments after enzymatic hydrolysis of rainbow trout) were investigated as potential sources of carbon, nitrogen, and phosphate for cultivation of G. sulphuraria. The pellet extract was found to support the growth of G. sulphuraria when appropriate diluted, at concentrations below 40 % (v/v). It was revealed that wastewater does not impact the growth negatively, however free amino nitrogen and carbon sources need to be supplied from another source. Therefore, only proteolyzed pellet extract (20 %, v/v) was selected for upscaling and a biomass concentration of 80 g L
    MeSH term(s) Wastewater ; Heterotrophic Processes ; Rhodophyta ; Biomass ; Microalgae ; Nitrogen ; Aquaculture ; Carbon ; Plant Extracts
    Chemical Substances Wastewater ; Nitrogen (N762921K75) ; Carbon (7440-44-0) ; Plant Extracts
    Language English
    Publishing date 2023-06-08
    Publishing country England
    Document type Journal Article
    ZDB-ID 1065195-0
    ISSN 1873-2976 ; 0960-8524
    ISSN (online) 1873-2976
    ISSN 0960-8524
    DOI 10.1016/j.biortech.2023.129281
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article: Physicochemical and functional properties of rainbow trout (

    Kvangarsnes, Kristine / Dauksas, Egidijus / Tolstorebrov, Ignat / Rustad, Turid / Bartolomei, Martina / Xu, Ruoxian / Lammi, Carmen / Cropotova, Janna

    Heliyon

    2023  Volume 9, Issue 7, Page(s) e17979

    Abstract: Due to the continuous growth of the world population, there is an urgent need to find sustainable sources of high-quality protein. Fish side streams rich in essential nutrients and accounting for 60-70% of the whole fish, represent a sustainable source ... ...

    Abstract Due to the continuous growth of the world population, there is an urgent need to find sustainable sources of high-quality protein. Fish side streams rich in essential nutrients and accounting for 60-70% of the whole fish, represent a sustainable source for recovery of valuable protein compounds. The present study aimed at extensive characterization of physicochemical, antioxidant and techno-functional properties of fish protein hydrolysate (FPH) obtained from farmed rainbow trout (
    Language English
    Publishing date 2023-07-07
    Publishing country England
    Document type Journal Article
    ZDB-ID 2835763-2
    ISSN 2405-8440
    ISSN 2405-8440
    DOI 10.1016/j.heliyon.2023.e17979
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  5. Article: The combined effect of pulsed electric field treatment and brine salting on changes in the oxidative stability of lipids and proteins and color characteristics of sea bass (

    Cropotova, Janna / Tappi, Silvia / Genovese, Jessica / Rocculi, Pietro / Dalla Rosa, Marco / Rustad, Turid

    Heliyon

    2021  Volume 7, Issue 1, Page(s) e05947

    Abstract: A combined effect of pulsed electric field application and salting in a brine with 5 and 10% w/w NaCl on oxidative stability of lipids and proteins, as well as color characteristics of sea bass samples, was assessed in the study. The applied intensity of ...

    Abstract A combined effect of pulsed electric field application and salting in a brine with 5 and 10% w/w NaCl on oxidative stability of lipids and proteins, as well as color characteristics of sea bass samples, was assessed in the study. The applied intensity of the current was set at 10 and 20 A corresponding to 300 and 600 V cm
    Language English
    Publishing date 2021-01-12
    Publishing country England
    Document type Journal Article
    ZDB-ID 2835763-2
    ISSN 2405-8440
    ISSN 2405-8440
    DOI 10.1016/j.heliyon.2021.e05947
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article: Diversity and Antimicrobial Activity towards

    Stupar, Jelena / Holøymoen, Ingunn Grimsbo / Hoel, Sunniva / Lerfall, Jørgen / Rustad, Turid / Jakobsen, Anita Nordeng

    Foods (Basel, Switzerland)

    2021  Volume 10, Issue 2

    Abstract: Biopreservation is a food preservation technology using microorganisms and/or their inherent antimicrobial metabolites to inhibit undesirable microorganisms. The aim of the present study was to explore the diversity and antimicrobial activity of lactic ... ...

    Abstract Biopreservation is a food preservation technology using microorganisms and/or their inherent antimicrobial metabolites to inhibit undesirable microorganisms. The aim of the present study was to explore the diversity and antimicrobial activity of lactic acid bacteria (LAB) strains (
    Language English
    Publishing date 2021-01-29
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2704223-6
    ISSN 2304-8158
    ISSN 2304-8158
    DOI 10.3390/foods10020271
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  7. Article: Transformation of Seafood Side-Streams and Residuals into Valuable Products.

    Siddiqui, Shahida Anusha / Schulte, Henning / Pleissner, Daniel / Schönfelder, Stephanie / Kvangarsnes, Kristine / Dauksas, Egidijus / Rustad, Turid / Cropotova, Janna / Heinz, Volker / Smetana, Sergiy

    Foods (Basel, Switzerland)

    2023  Volume 12, Issue 2

    Abstract: Seafood processing creates enormous amounts of side-streams. This review deals with the use of seafood side-streams for transformation into valuable products and identifies suitable approaches for making use of it for different purposes. Starting at the ... ...

    Abstract Seafood processing creates enormous amounts of side-streams. This review deals with the use of seafood side-streams for transformation into valuable products and identifies suitable approaches for making use of it for different purposes. Starting at the stage of catching fish to its selling point, many of the fish parts, such as head, skin, tail, fillet cut-offs, and the viscera, are wasted. These parts are rich in proteins, enzymes, healthy fatty acids such as monounsaturated and polyunsaturated ones, gelatin, and collagen. The valuable biochemical composition makes it worth discussing paths through which seafood side-streams can be turned into valuable products. Drawbacks, as well as challenges of different aquacultures, demonstrate the importance of using the various side-streams to produce valuable compounds to improve economic performance efficiency and sustainability of aquaculture. In this review, conventional and novel utilization approaches, as well as a combination of both, have been identified, which will lead to the development of sustainable production chains and the emergence of new bio-based products in the future.
    Language English
    Publishing date 2023-01-16
    Publishing country Switzerland
    Document type Journal Article ; Review
    ZDB-ID 2704223-6
    ISSN 2304-8158
    ISSN 2304-8158
    DOI 10.3390/foods12020422
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  8. Article ; Online: Use of Spectroscopic Techniques for a Rapid and Non-Destructive Monitoring of Thermal Treatments and Storage Time of Sous-Vide Cooked Cod Fillets.

    Hassoun, Abdo / Cropotova, Janna / Rustad, Turid / Heia, Karsten / Lindberg, Stein-Kato / Nilsen, Heidi

    Sensors (Basel, Switzerland)

    2020  Volume 20, Issue 8

    Abstract: In this work, the potential of spectroscopic techniques was studied to investigate heat-induced changes occurring during the application of thermal treatments on cod ( ...

    Abstract In this work, the potential of spectroscopic techniques was studied to investigate heat-induced changes occurring during the application of thermal treatments on cod (
    MeSH term(s) Cooking ; Fluorescence ; Meat ; Temperature
    Language English
    Publishing date 2020-04-23
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2052857-7
    ISSN 1424-8220 ; 1424-8220
    ISSN (online) 1424-8220
    ISSN 1424-8220
    DOI 10.3390/s20082410
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  9. Article: Sensory and Physicochemical Quality Characteristics of Haddock Fish Cake Enriched with Atlantic Mackerel Quality of Fish Cakes.

    Cropotova, Janna / Mozuraityte, Revilija / Standal, Inger Beate / Szulecka, Olga / Kulikowski, Tomasz / Mytlewski, Adam / Rustad, Turid

    Food technology and biotechnology

    2021  Volume 59, Issue 1, Page(s) 4–15

    Abstract: Research background: It is desirable to increase the consumption of pelagic fish rich in long-chain omega-3 fatty acids. Partial replacement of traditionally used white fish species by pelagic fish will increase the content of omega-3 fatty acids, and ... ...

    Abstract Research background: It is desirable to increase the consumption of pelagic fish rich in long-chain omega-3 fatty acids. Partial replacement of traditionally used white fish species by pelagic fish will increase the content of omega-3 fatty acids, and thus improve the nutritional value but it may also affect the consumer acceptance. The aim of this study is to assess the physicochemical and sensory quality of novel fish cake prototypes prepared from haddock and mackerel mince.
    Experimental approach: Fillets of haddock and Atlantic mackerel were used as raw material for preparation of fish cakes. The fish fillets were minced, mixed together (in haddock/mackerel mass ratio of 100:0, 75:25 and 50:50%) with salt, potato starch, pepper and full fat milk. Physicochemical and sensory analyses were further performed.
    Results and conclusions: The fatty acid composition analysis showed that the recommended daily intake of 250 mg of eicosapentaenoic acid and docosahexaenoic acid can easily be reached by consumption of fish cakes enriched with mackerel. The oxidation levels of all fish cakes were low in terms of peroxide value and thiobarbituric acid reactive substance assay (TBARS). Fish cakes prepared with higher mass fraction of mackerel mince (>50%) had significantly (p<0.05) softer texture than other fish cakes due to higher amount of fat in their formulations. At the same time, these fish cakes were significantly darker than haddock-based (>50%) fish cakes due to higher myoglobin content in the fish muscle. Moreover, fish cakes with higher amount of mackerel mince had increased yellowness due to the accumulation of water-soluble (r=0.990, p<0.05) and fat-soluble (r=0.976, p<0.05) TBARS. Metabolites relevant for taste and quality were quantified by using
    Novelty and scientific contribution: The research demonstrated that Atlantic mackerel can be successfully used for partial replacement of white fish species in fish cake formulations to produce healthy and tasty ready-to-cook products and increase the consumption of small pelagic fish in Europe.
    Language English
    Publishing date 2021-05-21
    Publishing country Croatia
    Document type Journal Article
    ZDB-ID 1340467-2
    ISSN 1330-9862
    ISSN 1330-9862
    DOI 10.17113/ftb.59.01.21.6695
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  10. Article: The Effect of Sous-Vide Cooking Parameters, Chilled Storage and Antioxidants on Quality Characteristics of Atlantic Mackerel (

    Cropotova, Janna / Mozuraityte, Revilija / Standal, Inger Beate / Aftret, Kari Cecilie / Rustad, Turid

    Food technology and biotechnology

    2019  Volume 57, Issue 2, Page(s) 191–199

    Abstract: The aim of the present study is to assess the influence of different sous-vide time-temperature regimes and use of two types of commercial antioxidants (rosemary extract and rosmary extract with ascorbyl palmitate) on quality parameters of Atlantic ... ...

    Abstract The aim of the present study is to assess the influence of different sous-vide time-temperature regimes and use of two types of commercial antioxidants (rosemary extract and rosmary extract with ascorbyl palmitate) on quality parameters of Atlantic mackerel (
    Language English
    Publishing date 2019-08-12
    Publishing country Croatia
    Document type Journal Article
    ZDB-ID 1340467-2
    ISSN 1330-9862
    ISSN 1330-9862
    DOI 10.17113/ftb.57.02.19.6032
    Database MEDical Literature Analysis and Retrieval System OnLINE

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