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  1. Book: Special issue: vitamin D

    Bohn, Torsten / Corte-Real, Joana / Eggersdorfer, Manfred

    (International journal for vitamin and nutrition research ; volume 92, number 2 (2022))

    2022  

    Title variant Vitamin D
    Author's details editor-in-chief Torsten Bohn ; associate editors Joana Corte-Real, Manfred Eggersdorfer [und 3 andere]
    Series title International journal for vitamin and nutrition research ; volume 92, number 2 (2022)
    Collection
    Language English
    Size Seite 82-146, Illustrationen, Diagramme
    Publisher Hogrefe AG
    Publishing place Bern, Switzerland
    Publishing country Switzerland
    Document type Book
    HBZ-ID HT021322379
    Database Catalogue ZB MED Nutrition, Environment, Agriculture

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    In stock of ZB MED Bonn / Germany

    Shelf markLoan statusLocation
    Z 2285 (92,2) available for loan (reading room) Lesesaal

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  2. Book: Special issue: COVID-19

    Bohn, Torsten / Corte-Real, Joana / Eggersdorfer, Manfred

    (International journal for vitamin and nutrition research ; volume 92, number 1 (2022))

    2022  

    Title variant COVID-19
    Author's details editor-in-chief Torsten Bohn ; associate editors Joana Corte-Real, Manfred Eggersdorfer [und 3 andere]
    Series title International journal for vitamin and nutrition research ; volume 92, number 1 (2022)
    Collection
    Keywords COVID-19
    Subject Coronavirus-Krankheit-2019 ; Corona virus disease 2019 ; Coronavirus disease 2019 ; 2019-nCoV acute respiratory disease ; Wuhan pneumonia ; COVID-19-Infektion ; Coronavirus-SARS-CoV-2-Infektion ; SARS-CoV-2-Infektion
    Language English
    Size 79 Seiten, Illustrationen, Diagramme
    Publisher Hogrefe AG ; Hogrefe Publishing Corp
    Publishing place Bern, Switzerland ; Boston, MA
    Publishing country Switzerland ; United States
    Document type Book
    HBZ-ID HT021266495
    Database Catalogue ZB MED Nutrition, Environment, Agriculture

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    In stock of ZB MED Bonn / Germany

    Shelf markLoan statusLocation
    Z 2285 (92,1) available for loan (reading room) Lesesaal

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  3. Article: COVID-19: relation to dietary habits, food items and nutrients.

    Bohn, Torsten

    International journal for vitamin and nutrition research. Internationale Zeitschrift fur Vitamin- und Ernahrungsforschung. Journal international de vitaminologie et de nutrition

    2022  Volume 92, Issue 1, Page(s) 1–2

    MeSH term(s) COVID-19 ; Diet ; Feeding Behavior ; Food ; Humans ; Nutrients ; SARS-CoV-2 ; Surveys and Questionnaires
    Language English
    Publishing date 2022-01-27
    Publishing country Switzerland
    Document type Editorial
    ZDB-ID 120692-8
    ISSN 0300-9831
    ISSN 0300-9831
    DOI 10.1024/0300-9831/a000741
    Database MEDical Literature Analysis and Retrieval System OnLINE

    Full text online

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    In stock of ZB MED Cologne/Königswinter

    Uc I Zs.210: Show issues Location:
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  4. Article: All quiet on the vitamin D front?

    Bohn, Torsten

    International journal for vitamin and nutrition research. Internationale Zeitschrift fur Vitamin- und Ernahrungsforschung. Journal international de vitaminologie et de nutrition

    2022  Volume 92, Issue 2, Page(s) 81–82

    MeSH term(s) Vitamin D ; Vitamins
    Chemical Substances Vitamins ; Vitamin D (1406-16-2)
    Language English
    Publishing date 2022-04-06
    Publishing country Switzerland
    Document type Editorial
    ZDB-ID 120692-8
    ISSN 0300-9831
    ISSN 0300-9831
    DOI 10.1024/0300-9831/a000742
    Database MEDical Literature Analysis and Retrieval System OnLINE

    Full text online

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    In stock of ZB MED Cologne/Königswinter

    Uc I Zs.210: Show issues Location:
    Je nach Verfügbarkeit (siehe Angabe bei Bestand)
    bis Jg. 2021: Bestellungen von Artikeln über das Online-Bestellformular
    ab Jg. 2022: Lesesaal (EG)

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  5. Book ; Online: Nutrition, Well-Being and Health

    Bouayed, Jaouad / Bohn, Torsten

    2012  

    Keywords Human biology
    Language English
    Size 1 electronic resource (236 pages)
    Publisher IntechOpen
    Document type Book ; Online
    Note English
    HBZ-ID HT030646979
    ISBN 9789535168362 ; 9535168363
    Database ZB MED Catalogue: Medicine, Health, Nutrition, Environment, Agriculture

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  6. Article: Carotenoids and Markers of Oxidative Stress in Human Observational Studies and Intervention Trials: Implications for Chronic Diseases.

    Bohn, Torsten

    Antioxidants (Basel, Switzerland)

    2019  Volume 8, Issue 6

    Abstract: Carotenoids include C30, C40 and C50 terpenoid-based molecules, many of which constitute coloured pigments. However, >1100 of these are known to occur in nature and only about a dozen are known to play a role in our daily diet. Carotenoids have received ... ...

    Abstract Carotenoids include C30, C40 and C50 terpenoid-based molecules, many of which constitute coloured pigments. However, >1100 of these are known to occur in nature and only about a dozen are known to play a role in our daily diet. Carotenoids have received much attention due to their proposed health benefits, including reducing the incidence of chronic diseases, such as cardiovascular disease and diabetes. Many of these diseases are characterized by chronic inflammation co-occurring with oxidative stress, characterized by, for example, enhanced plasma F2-isoprostane concentrations, malondialdehyde, and 8-hydroxyguanosine. Though carotenoids can act as direct antioxidants, quenching, for example, singlet oxygen and peroxide radicals, an important biological function appears to rest also in the activation of the body's own antioxidant defence system, related to superoxide-dismutase, catalase, and glutathione-peroxidase expression, likely due to the interaction with transcription factors, such as nuclear-factor erythroid 2-related factor 2 (Nrf-2). Though mostly based on small-scale and observational studies which do not allow for drawing conclusions regarding causality, several supplementation trials with isolated carotenoids or food items suggest positive health effects. However, negative effects have also been reported, especially regarding beta-carotene for smokers. This review is aimed at summarizing the results from human observational studies/intervention trials targeting carotenoids in relation to chronic diseases characterized by oxidative stress and markers thereof.
    Language English
    Publishing date 2019-06-17
    Publishing country Switzerland
    Document type Journal Article ; Review
    ZDB-ID 2704216-9
    ISSN 2076-3921
    ISSN 2076-3921
    DOI 10.3390/antiox8060179
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article ; Online: Determinants and Determination of Carotenoid Bioavailability from Infant Food Formulas and Adult Nutritionals Including Liquid Dairy Products.

    Bohn, Torsten

    Journal of AOAC International

    2019  Volume 102, Issue 4, Page(s) 1044–1058

    Abstract: Carotenoids are typically tetraterpenoid phytochemicals that cannot be synthesized by humans, some of which such as β-carotene can be metabolized into vitamin A. Sufficient carotenoid intake and tissue levels have been associated with several health ... ...

    Abstract Carotenoids are typically tetraterpenoid phytochemicals that cannot be synthesized by humans, some of which such as β-carotene can be metabolized into vitamin A. Sufficient carotenoid intake and tissue levels have been associated with several health benefits including the reduction of cardiovascular diseases and some types of cancer and also the amelioration of age-related macular degeneration. Carotenoids and their metabolites have also been related to reduced inflammation and oxidative stress via interacting with transcription factors, such as NF-κB and Nrf-2, as well as with the nuclear receptors retinoic acid receptor/retinoid X receptor, implicated in immune functions and cellular differentiation. Therefore, carotenoids are important for growth and development. They could mark beneficial constituents in infant food formulas and adult nutritionals, the latter typically constituting protein-rich liquid foods targeting meal replacements. Carotenoids may be present by nature (typically below 20 μg/100 mL) or following fortification (up to 200 μg/100 mL), such as for lutein and β-carotene. However, carotenoid bioavailability may be low and variable, especially in low-fat items. Although most infant foods and adult nutritionals are rich in lipids and proteins, facilitating absorption and availability of carotenoids, unfortunately, very little data is available. In addition, carotenoid detection for such lipid-rich matrices may be challenging as a result of low concentrations and matrix effects. This review aims to highlight considerations for carotenoid bioavailability from infant food formula and adult nutritionals as well as summarize detection methods for carotenoids from these items.
    MeSH term(s) Biological Availability ; Carotenoids/analysis ; Carotenoids/metabolism ; Carotenoids/pharmacokinetics ; Dairy Products/analysis ; Humans ; Infant ; Infant Food/analysis ; Infant Formula/analysis
    Chemical Substances Carotenoids (36-88-4)
    Language English
    Publishing date 2019-02-20
    Publishing country England
    Document type Journal Article ; Review
    ZDB-ID 1103149-9
    ISSN 1944-7922 ; 1060-3271
    ISSN (online) 1944-7922
    ISSN 1060-3271
    DOI 10.5740/jaoacint.19-0015
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Cologne/Königswinter

    Zs.A 1229: Show issues Location:
    Je nach Verfügbarkeit (siehe Angabe bei Bestand)
    bis Jg. 1994: Bestellungen von Artikeln über das Online-Bestellformular
    Jg. 1995 - 2021: Lesesall (1.OG)
    ab Jg. 2022: Lesesaal (EG)

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  8. Article: Effect of Digested Selected Food Items on Markers of Oxidative Stress and Inflammation in a Caco-2-Based Human Gut Epithelial Model.

    Vahid, Farhad / Krischler, Pit / Leners, Bernadette / Bohn, Torsten

    Antioxidants (Basel, Switzerland)

    2024  Volume 13, Issue 2

    Abstract: The human gut epithelium presents a crucial interface between ingested food items and the host. Understanding how different food items influence oxidative stress and inflammation in the gut is of great importance. This study assessed the impact of ... ...

    Abstract The human gut epithelium presents a crucial interface between ingested food items and the host. Understanding how different food items influence oxidative stress and inflammation in the gut is of great importance. This study assessed the impact of various digested food items on oxidative stress, inflammation, and DNA/RNA damage in human gut epithelial cells. Differentiated Caco-2 cells were exposed to food items and their combinations (n = 22) selected from a previous study, including sausage, white chocolate, soda, coffee, orange juice, and curcumin. Following stimulation with TNF-α/IFN-1β/LPS and H
    Language English
    Publishing date 2024-01-25
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2704216-9
    ISSN 2076-3921
    ISSN 2076-3921
    DOI 10.3390/antiox13020150
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  9. Article ; Online: Protective effect of provitamin A dietary carotenoid intake on overweight/obesity and their relation to inflammatory and oxidative stress biomarkers - a case-control study.

    Koós, Natália / Vahid, Farhad / Bohn, Torsten

    Food & function

    2024  

    Abstract: This investigation assessed associations between dietary carotenoid intake and the odds of overweight/obesity, as well as inflammatory/oxidative stress biomarkers, in 851 participants with overweight/obesity (BMI ≥25 kg ... ...

    Abstract This investigation assessed associations between dietary carotenoid intake and the odds of overweight/obesity, as well as inflammatory/oxidative stress biomarkers, in 851 participants with overweight/obesity (BMI ≥25 kg m
    Language English
    Publishing date 2024-05-01
    Publishing country England
    Document type Journal Article
    ZDB-ID 2612033-1
    ISSN 2042-650X ; 2042-6496
    ISSN (online) 2042-650X
    ISSN 2042-6496
    DOI 10.1039/d3fo05648a
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Bonn / Germany

    Z 7872: Show issues

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  10. Article: Carotenoids, Chronic Disease Prevention and Dietary Recommendations.

    Bohn, Torsten

    International journal for vitamin and nutrition research. Internationale Zeitschrift fur Vitamin- und Ernahrungsforschung. Journal international de vitaminologie et de nutrition

    2018  Volume 87, Issue 3-4, Page(s) 121–130

    Abstract: Carotenoids are C-30, C-40 or C-50 terpenoids produced by a number of bacteria, fungi, and plants. In addition to acting as vitamin A precursors such as β-carotene, their dietary intake and blood plasma/serum and tissue levels have been associated in ... ...

    Abstract Carotenoids are C-30, C-40 or C-50 terpenoids produced by a number of bacteria, fungi, and plants. In addition to acting as vitamin A precursors such as β-carotene, their dietary intake and blood plasma/serum and tissue levels have been associated in several epidemiological studies to the reduced incidence of chronic diseases, including the reduction of type 2 diabetes and other cardiometabolic diseases, as well as some types of cancer. Lutein and zeaxanthin also appear to play a role in the amelioration of age-related macular degeneration (AMD), the main cause of blindness in the elderly, and may be regarded as conditionally essential nutrients for the elderly. Furthermore, some studies have proposed that carotenoids may improve cognitive functions. Though the underlying mechanisms remain to be fully elucidated, it is perceived that direct antioxidant effects and protection from UV-light, as well as rather indirect effects, acting on transcription factors such as NF-κB, Nrf-2, and nuclear receptors such as RAR/RXR (retinoic acid receptor/retinoid X receptor), altering gene expression, all can play a role. Despite individual intervention trials suggesting negative effects of high doses of β-carotene on smokers, perhaps due to effects related to cytochrome enzyme activation, there is accumulating evidence that these colourful pigments indeed contribute to a healthy life and well-being. However, further research is warranted to better understand factors influencing variable inter-individual responses following carotenoid consumption and to establish more detailed recommendations regarding their dietary intake and toward establishing health claims.
    Language English
    Publishing date 2018-12-14
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 120692-8
    ISSN 0300-9831
    ISSN 0300-9831
    DOI 10.1024/0300-9831/a000525
    Database MEDical Literature Analysis and Retrieval System OnLINE

    Full text online

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    In stock of ZB MED Cologne/Königswinter

    Uc I Zs.210: Show issues Location:
    Je nach Verfügbarkeit (siehe Angabe bei Bestand)
    bis Jg. 2021: Bestellungen von Artikeln über das Online-Bestellformular
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