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    Wyświetlanie 1-8 z 8
    Tytuł:
    Selected Electroanalytical Determination Methods of Zinc in Materials of Different Origins
    Autorzy:
    Zając, Magdalena
    Rojowski, Jacek
    Szlósarczyk, Marek
    Powiązania:
    https://bibliotekanauki.pl/articles/1033788.pdf
    Data publikacji:
    2012
    Wydawca:
    Zakład Opieki Zdrowotnej Ośrodek Umea Shinoda-Kuracejo
    Tematy:
    anodic stripping voltammetry
    electroanalytical methods
    polarography
    zinc assay
    Opis:
    Zinc is a naturally wide spread element, which generally finds its use in industry but also in numerous pharmaceutical, cosmetic and stomatology materials. Taking into consideration its frequent occurrence (in almost all biological materials) and its low quantities, a good choice of analytical method for zinc assay is a necessity. Apart from spectrophotometric methods – especially AAS (Atomic Absorption Spectrometry) which is a method of choice for zinc determination, also electroanalytical methods are used. Most frequently ASV (Anodic Stripping Voltammetry) or Polarography is applied. Despite the need of samples digestion electrochemical methods offer a price convenient method for determination of zinc, even in trace amounts (ppt – parts per trillion). Currently there is also new information about ion selective electrodes suitable for zinc assay.
    Źródło:
    Medicina Internacia Revuo; 2012, 25, 99; 70-73
    0465-5435
    Pojawia się w:
    Medicina Internacia Revuo
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Właściwości biologiczne i fizyko-chemiczne talu
    Biological and physico-chemical properties of thallium
    Autorzy:
    MUSZYŃSKA, Bożena
    ROJOWSKI, Jacek
    DOBOSZ, Konrad
    OPOKA, Włodzimierz
    Powiązania:
    https://bibliotekanauki.pl/articles/1033799.pdf
    Data publikacji:
    2015
    Wydawca:
    Zakład Opieki Zdrowotnej Ośrodek Umea Shinoda-Kuracejo
    Tematy:
    "201Tl"
    "Thallium"
    "elements"
    "toxicity of Thallium"
    Opis:
    Thallium is a toxic and quite common element in the environment, but it is poorly examined, despite the known toxic activity of this metal. The ionic radius of the element is similar to the ionic radius of potassium, and at the same valence (K+,Tl+) allows substitution of this element in the nervous system and muscle, which results in its toxic activity. Thallium interferes with many enzymes and also has a strong affinity to the group – SH. The most dangerous symptoms of poisoning come from central nervous system. This element is easily cumulated by many living organisms, which poses a serious threat. In the past, it was used in rodenticides, and despite the risks, in many countries is still used for this purpose due to its low production costs. Contamination of this element of industrial areas is associated with the steel industry and cement production, while residents of these areas are often not aware of the threat and grow in these area vegetables that can absorb thallium, and in particular here talking about the Brassicaceae family. This element in the environment should be constantly monitored. Its isotope such as 201Tl (Thallium-201) has some significance in medicine, as radiopharmaceutical.
    Źródło:
    Medicina Internacia Revuo; 2015, 26, 105; 180-185
    0465-5435
    Pojawia się w:
    Medicina Internacia Revuo
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    L-tryptophan and its deriviates in edible mushroom species.
    Autorzy:
    MUSZYŃSKA, Bożena
    KOMENDACKI, Paweł
    KAŁA, Katarzyna
    OPOKA, Włodzimierz
    ROJOWSKI, Jacek
    Powiązania:
    https://bibliotekanauki.pl/articles/1033762.pdf
    Data publikacji:
    2014
    Wydawca:
    Zakład Opieki Zdrowotnej Ośrodek Umea Shinoda-Kuracejo
    Tematy:
    L–tryptophan
    antidepressant agent
    antioxidant activity
    edible mushrooms
    indole compounds
    Opis:
    Mushrooms are able to accumulate both primary and secondary metabolites. Medicinal and antioxidant properties of mushrooms are an excellent combination of their nutrition value. Recent studies have demonstrated that edible mushroom species contain non–hallucinogenic indole compounds and their derivatives. The indole skeleton is the basis of the substances serving important functions in the human body, such as serotonin and melatonin. These compounds fulfill the role of neurotransmitters or their precursors, exhibit antioxidant, anticancer, anti–aging actions, regulate the diurnal cycle in humans and participate in blood coagulation. These compounds and their derivatives are also anti– inflammatory and analgesic therapeutics.
    Źródło:
    Medicina Internacia Revuo; 2014, 26, 103; 82-88
    0465-5435
    Pojawia się w:
    Medicina Internacia Revuo
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Preparaty zawierające algi źródłem substancji prozdrowotnych
    Algae preparations as a source of beneficial healthy substances
    Autorzy:
    Jękot, Barbara
    RZEWIŃSKA, Aleksandra
    HAŁASZUK, Patrycja
    ROJOWSKI, Jacek
    MUSZYŃSKA, Bożena
    Powiązania:
    https://bibliotekanauki.pl/articles/1034034.pdf
    Data publikacji:
    2016
    Wydawca:
    Zakład Opieki Zdrowotnej Ośrodek Umea Shinoda-Kuracejo
    Tematy:
    " Spirulina"
    "Arthrospira sp"
    "Eucaryot
    "anti-aging activity"
    "antioxidant activity"
    Algae"
    Opis:
    Algae used in OTC preparations and as functional food are available in the form of finished formulations: powders – lyophilisates, tablets, pills, capsules, and are widely used in cosmetics. In these formulations most commonly used species of algae is cyanobacteria: Arthrospira platensis (Spirulina platensis) and Arthrospira maxima (Spirulina maxima), species of red algae – red algae of the genus Porphyra: Porphyra yezoensis and Porphyra tenera and brown algae – Fucus vesiculosus and green algae for example: Chlorella vulgaris. They are used in cosmetology, pharmacy, food industry, agriculture and environmental protection. Hence, getting to know the current state of the market and knowledge of the preparations containing algae and the promotion of knowledge about their effectiveness is expedient to influence effectively on the prevention of civilization diseases. Conducting a survey on knowledge of the preparations of algae, efficiency and preventive properties may allow to know the current state of knowledge in Poland, about the development of effective promotion in order to use of them. The aim of the study was to assess the knowledge and the possibility of using supplements and food additives containing algae and assessment of the effectiveness of activities in the first reinforcement and anti-aging preparations containing algae in the studied groups of people. Algae due to the fact that are a source of many substances such as amino acids, proteins, minerals, vitamins, polysaccharides, lipids, and polyamides, which are necessary for the proper functioning of the human body, have been used in various industries.
    Źródło:
    Medicina Internacia Revuo; 2016, 27, 106; 4-10
    0465-5435
    Pojawia się w:
    Medicina Internacia Revuo
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Oznaczenie cynku w ekstraktach biomasy z kultur pędowych Bacopa monnieri do sztucznych soków trawiennych
    Zinc determination in extracts from bacopa monnieri shoot cultures into simulated gastric fluids
    Autorzy:
    MUSZYŃSKA, Bożena
    ROJOWSKI, Jacek
    ŁOJEWSKI, Maciej
    DZIWULSKA, Karolina
    OPOKA, Włodzimierz
    Powiązania:
    https://bibliotekanauki.pl/articles/1033794.pdf
    Data publikacji:
    2015
    Wydawca:
    Zakład Opieki Zdrowotnej Ośrodek Umea Shinoda-Kuracejo
    Tematy:
    "Bacopa monnieri"
    "DP-ASV method"
    "in vitro culture"
    "zinc"
    Opis:
    Bacopa monnieri (Water hyssop) is a hydrophyte occurring in Asia and the southern US states. This plant is known in India as Brahmi and has been used in Ayurvedic medicine for 5,000 years as sedative, supporting the treatment of insomnia and improving cerebral circulation. For the biological effect in this species are responsible triterpenoids saponins – bacosides. The aim of the study was to obtain the biomass of B. monnieri shoot in vitro cultures, and then evaluating the biomass growth and content of zinc. B. monnieri derived from in vitro culture on Murashige-Skoog medium (MS) and on the same medium, but enriched in organic additives and elements may be a good source of Zinc for the human body. The experiment was also conducted on the commercial formulations containing B. monnieri. For the determination of zinc ions DP ASV method was used. It was found that the use of highly mineralized water (mineral water “Stefan” – Spa Szczawnica) for extraction of B. monnieri biomass from in vitro culture provided the highest concentration of zinc in the material and for the biomass from MS medium with the addition of As (163.52, and 167.23 mg/mL, respectively). The lowest content was found in B. monnieri biomass from MS medium supplemented with serine, and the capsules product (13.54 and 14.57 mg/mL). For extracts of B. monnieri biomass from MS medium enriched with Zn salts into digestive juices the highest concentration of zinc was determined in gastric juice (6.88 mg/mL).
    Źródło:
    Medicina Internacia Revuo; 2015, 26, 105; 175-179
    0465-5435
    Pojawia się w:
    Medicina Internacia Revuo
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Tricholoma equestre species as a source of indole compounds and zinc released into artificial digestive juices
    Autorzy:
    KAŁA, Katarzyna
    SUŁKOWSKA-ZIAJA, Katarzyna
    ROJOWSKI, Jacek
    OPOKA, Włodzimierz
    MUSZYŃSKA, Bożena
    Powiązania:
    https://bibliotekanauki.pl/articles/1034031.pdf
    Data publikacji:
    2016
    Wydawca:
    Zakład Opieki Zdrowotnej Ośrodek Umea Shinoda-Kuracejo
    Tematy:
    "artificial digestive juices"
    "fruiting bodies
    "in vitro culture"
    "zinc"
    Tricholoma equestre"
    indole compounds"
    Opis:
    The research goals of presented work consisted of determination of zinc and indole compounds that are released into artificial digestive juices from Tricholoma equestre species. During the experiment freeze-dried samples of wild growing fruiting bodies and mycelia from in vitro cultures from liquid Oddoux medium were extracted to artificial digestive juices (saliva, gastric juice and intestinal juice). In the next step the determination of examined compounds was done by RP-HPLC for indole compounds and DP ASV for zinc. Furthermore it was decided to check weather this species has any beneficial properties for health. The extraction of researched material in conditions imitating human digestive tract allows determination of true amounts of elements released to artificial digestive juices and their beneficial influence (a specially designed and constructed apparatus Gastroel-2014 was applied). The indole compound with the highest quantity was 5-hydroxy-L-tryptophan, both in fruiting bodies and in biomass from in vitro cultures of T. equestre (up to 352.47 mg/100 g d.w.). Serotonin and L-tryptophan was determined in all analysed samples, but their amounts were significantly lower than the ones found for 5-hydroxy-L-tryptophan. The amounts of zinc on the other hand showed that the biggest concentration of zinc can be obtained for fruiting bodies and biomass from in vitro cultures to both artificial saliva and gastric juice after 120 minutes of digestion (6.83 14.4 mg/100 g d.w. retrospectively) in conditions that imitate human digestive track.
    Źródło:
    Medicina Internacia Revuo; 2016, 27, 106; 35-39
    0465-5435
    Pojawia się w:
    Medicina Internacia Revuo
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Edible Mushrooms in Prophylaxis and Treatment of Human Diseases
    Autorzy:
    MUSZYNSKA, Bożena
    SUŁKOWSKA-ZIAJA, Katarzyna
    ŁOJEWSKI, Maciej
    OPOKA, Włodzimierz
    ZAJĄC, Magdalena
    ROJOWSKI, Jacek
    Powiązania:
    https://bibliotekanauki.pl/articles/1033825.pdf
    Data publikacji:
    2013
    Wydawca:
    Zakład Opieki Zdrowotnej Ośrodek Umea Shinoda-Kuracejo
    Tematy:
    Basidiomycota
    chitosans
    ergothioneine
    hypercholesterolemia
    statins
    Opis:
    In recent years an increase in the consumption of edible mushrooms has been observed. In many countries mushrooms have been a popular delicacy, as they add flavor and texture to a meal. Mushrooms are able to accumulate both primary and secondary metabolites. Some of them may play an antioxidant role, e.g. phenolic and indole compounds, flavonoids, terpenoids, sterols, ascorbic acid, ergothioneine and carotenoids and are a source of elements, e.g. selenium. Indole compounds fulfill the role of neurotransmitters or their precursors, exhibit antioxidant, anticancer, anti-inflammatory and anti-aging actions, regulate the diurnal cycle in humans and take part in blood coagulation. Biologically and therapeutically active metabolites of fungi are used to treat such serious diseases as cardiovascular diseases, diabetes, atherosclerosis and cancer. The intake of mushrooms clearly has a cholesterol-lowering effect or hypocholesterolemic effect by different mechanisms such as decreasing VLDL, improving lipid metabolism, inhibiting of activity of HMG-CoA reductase, and consequently preventing the development of atherosclerosis. The antioxidant and anti-inflammatory compounds occurring in mushrooms also may contribute to reduce the atherosclerosis risk.
    Źródło:
    Medicina Internacia Revuo; 2013, 25, 101; 170-183
    0465-5435
    Pojawia się w:
    Medicina Internacia Revuo
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Analysis of the content of phenolic compounds in in vitro culture of some edible mushrooms (Basidiomycota)
    Autorzy:
    Muszyńska, Bożena
    Kała, Katarzyna
    Sułkowska-Ziaja, Katarzyna
    Szewczyk, Agnieszka
    Łojewski, Maciej
    Rojowski, Jacek
    Powiązania:
    https://bibliotekanauki.pl/articles/1033831.pdf
    Data publikacji:
    2015
    Wydawca:
    Zakład Opieki Zdrowotnej Ośrodek Umea Shinoda-Kuracejo
    Tematy:
    agaricus bisporus
    boletus badius
    cantharellus cibarius
    medicinal mushroom
    phenolic
    acids
    Opis:
    Phenolic compounds, both derivatives of benzoic and cinnammic acid, possess biologically valuable properties: anti-inflammatory, antioxidant, anticarcinogenic and others. Studies of the accumulation of these compounds focused mostly on plant material. Rich sources of these compounds are representatives of Basidiomycota taxon. The aim of the study was qualitative and quantitative HPLC analysis of phenolic acids in biomass from in vitro culture of selected edible mushroom species belonging to the phylum Basidiomycota: Agaricus bisporus, Boletus badius, Cantharellus cibarius. The investigations revealed the presence of the following acids: p-hydroxybenzoic, syringic and galic acid. Both the composition and the amount of phenolic acids in biomass of A. bisporus and Boletus badius were diverse. The total amount ranged from 6.07 mg·100 g−1 DW in A. bisporus to 14.78 mg·100 g−1 DW in Boletus badius. Syryngic acid amounts fluctuated in the range of 1.75–9.66 mg·100 g−1 DW, with its maximum in Boletus badius. Gallic acid dominated in the biomass of the same species (5.12 mg·100 g−1 DW). p-Hydroxybenzoic acid was found in biomass from in vitro culture of A. bisporus at levels 0.70 mg/100 g DW. In biomass of in vitro culture of Cantharellus cibarius no phenolic compounds were found before and after hydrolysis. The results of HPLC analyses show that in vitro culture of B. badius and A. bisporus are a good dietary source of phenolic compounds with antioxidant activity.
    Źródło:
    Medicina Internacia Revuo; 2015, 26, 104; 146-152
    0465-5435
    Pojawia się w:
    Medicina Internacia Revuo
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-8 z 8

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