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    Wyświetlanie 1-2 z 2
    Tytuł:
    Phenolic Extracts from Vaccinium corymbosum L. Loaded in Microemulsions and Liposomes as Enhancers of Olive Oil Oxidative Stability
    Autorzy:
    Liović, Nikolina
    Bošković, Perica
    Drvenica, Ivana
    Režek Jambrak, Anet
    Dropulić, Ana Marija
    Krešić, Greta
    Nedović, Viktor
    Bugarski, Branko
    Zorić, Zoran
    Pedisić, Sandra
    Bilušić, Tea
    Powiązania:
    https://bibliotekanauki.pl/articles/1369546.pdf
    Data publikacji:
    2019
    Wydawca:
    Instytut Rozrodu Zwierząt i Badań Żywności Polskiej Akademii Nauk w Olsztynie
    Tematy:
    phenolics blueberry
    microemulsions
    liposomes
    Antioxidant
    ultrasound
    Opis:
    Natural phenolic compounds are recognized as bioactive ingredients in food but can also have a role as effective alternatives to synthetic antioxidants in stability improvement of foods prone to oxidation, such as edible oils. This study aimed at the preparation and HPLC-DAD characterization of phenolic extracts from Vaccinium corymbosum L. (raw, pasteurized, freeze-dried and treated with high-intensity ultrasound), and at testing their antioxidant potential in the prevention of olive oil oxidation in the native state and encapsulated into microemulsions and liposomes systems. Water-in-oil structured microemulsions used in this study were prepared using mechanical, ultrasonic, and high pressure homogenization. Liposomes with the average size of 589.1±2.9 nm were produced with the proliposome method using commercially available phosphatidylcholine – Phospolipon 90G. The obtained results showed significant prolongation of the oxidative stability of extra virgin olive oil enriched with encapsulated blueberry phenolic extracts than with native phenolic extracts, regardless of the method used for blueberry processing. Phenolic extracts encapsulated in microemulsions had a stronger effect on the prolongation of olive oil oxidative stability in comparison with the extracts encapsulated in liposomes. The average prolongation rate of oxidative stability was 45.65% by phenolic extracts encapsulated in microemulsions prepared by mechanical homogenization (p=0.012), and 58.72% by microemulsions prepared by ultrasound homogenization (p=0.011). Phenolic extracts encapsulated in microemulsions prepared by high pressure homogenization had no effect on oil oxidative stability prolongation.
    Źródło:
    Polish Journal of Food and Nutrition Sciences; 2019, 69, 1; 23-33
    1230-0322
    2083-6007
    Pojawia się w:
    Polish Journal of Food and Nutrition Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The association between the Mediterranean diet and high physical activity among the working population in Croatia
    Autorzy:
    Pavičić Žeželj, Sandra
    Kenđel Jovanović, Gordana
    Krešić, Greta
    Powiązania:
    https://bibliotekanauki.pl/articles/2162674.pdf
    Data publikacji:
    2019-04-19
    Wydawca:
    Instytut Medycyny Pracy im. prof. dra Jerzego Nofera w Łodzi
    Tematy:
    physical activity
    IPAQ-short questionnaire
    workers
    Mediterranean diet
    MDS score
    public health
    Opis:
    Background Unhealthy eating habits and physical inactivity constitute an emerging public health problem. The working population is of special interest for public health monitoring and evaluation because workers’ unhealthy lifestyles may lead to reduced work ability. The aim of this study was to determine diet quality and adherence to the Mediterranean diet (MD), according to the level of physical activity, and to detect variables associated with the working population’s being highly physically active. Material and Methods At the Institute for Occupational Medicine 400 full-time workers were examined for obesity factors, filled in the short version of International Physical Activity Questionnaire (IPAQ-short) and a validated food frequency questionnaire for adherence to the Mediterranean diet using Mediterranean Diet Score (MDS). The workers were divided into low, moderate and high physical activity groups according to the IPAQ-short scoring protocol. Hierarchical linear regression was performed to determine the variables associated with being highly active. Results One-third of the participants were highly physically active and their diet adhered to the MD ($\text{Me}_\text{MDS}$ = 7). Significant variables associated with a high level of physical activity were gender (p < 0.001), age (p = 0.02), waist-to-hip ratio (WHR) (p < 0.001), sitting level (p = 0.044) and occupational type (p < 0.001). Conclusions It was found that the participants displaying a high level of physical activity had a better quality diet that adhered to the Mediterranean diet but not to a significant degree. The variables associated with a high level of physical activity were male gender, younger age, normal WHR, non-sedentary occupation and reduced sitting time. The study findings could serve the purpose of improving future public health promotion of physical activity and the Mediterranean diet. Med Pr. 2019;70(2):169–76
    Źródło:
    Medycyna Pracy; 2019, 70, 2; 169-176
    0465-5893
    2353-1339
    Pojawia się w:
    Medycyna Pracy
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-2 z 2

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