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Wyszukujesz frazę "flavones" wg kryterium: Temat


Wyświetlanie 1-3 z 3
Tytuł:
Biological Properties Of Benzopyran-Based Platinum (Ii) Complexes
Autorzy:
Malinowska, Katarzyna
Modranka, Roman
Majsterek, Ireneusz
Misiak, Piotr
Powiązania:
https://bibliotekanauki.pl/articles/1395746.pdf
Data publikacji:
2014-04-01
Wydawca:
Index Copernicus International
Tematy:
flavones
Pt(II) complexes
Opis:
The aim of the study was to analyze the physicochemical synthesized complex 3 [(1,3- thiazol -2- ylimino) methyl)]-4H- chromene -4 -one with tetrachloroplatinate(II) dipotassium and determination peroxidase activity and glutathione (GPX) in red blood cells of cancer patients and healthy subjects. Materials and methods. Tests were carried out with the approval of the Bioethics Committee No. RNN/260/08/KB. Blood was collected into tubes with anticoagulant (heparin lithium). Determination of glutathione peroxidase activity was performed by methods of Little and O’Brien in 20 person groups hospitalized at the Department of General and Colorectal Surgery Veterans General Hospital in Łódź. Results. The study was an increase of activity in the control without the compound and after the introduction of the complex relative to the treatment groups. In healthy subjects, without the use of glutathione peroxidase complex averaged 73.25 ± 23.88 U / g Hb after application of the compound corresponds to the reference group 81.01 ± 25.94 U / g Hb. In contrast, in patients without the use of the complex activity amounted to 42.85 ± 27.49 U / g Hb. In the study group, which uses synthesized complex GPX activity corresponds to 67.72 ± 13.44 U / g Hb. Conclusions. The obtained results underline that the introduction of significant blood antioxidant complex research has a significant impact on the results of the determinations. Statistically significant (p < 0.05) difference occurred in both test and no relation to the administration of the complex in relation to the control of 1. 2.
Źródło:
Polish Journal of Surgery; 2014, 86, 4; 172-176
0032-373X
2299-2847
Pojawia się w:
Polish Journal of Surgery
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Scutellaria baicalensis: the end of the flavone biosynthesis pathway
Autorzy:
Elkin, Y.N.
Kulesh, N.I.
Shishmarev, V.M.
Kargin, V.M.
Manyakhin, A.Y.
Powiązania:
https://bibliotekanauki.pl/articles/2142056.pdf
Data publikacji:
2022
Wydawca:
Polska Akademia Nauk. Czasopisma i Monografie PAN
Tematy:
Chinese skullcap
LC-MS analysis
OMe flavones
oroxylin A
root bark
wogonin
Opis:
The report demonstrates that plenty of methylated flavones of the plant, as the end product of the flavone biosynthesis pathway, are concentrated in the root bark, which largely remains in the waste that makes up 7% w/w of the commercial root and is discarded. The study of the waste extract showed that the last enriched with monomethylated flavones wogonin and oroxylin A, along with some polymethylated ones represent an end of the biosynthesis pathway of flavones in the plant. In addition to wogonin, 7 known methylated flavones were found for the first time in the root bark. Due to a high content of wogonin and oroxylin A in the extract, these flavones were concentrated using preparative liquid chromatography. As a result, the obtained complex of these two target flavones turned out to be 0.8% w/w of the waste. Such morphologically specific accumulation of methylated flavones at the root boundary raises the question of their role in plant life.
Źródło:
Acta Biologica Cracoviensia. Series Botanica; 2022, 64, 1; 39-43
0001-5296
Pojawia się w:
Acta Biologica Cracoviensia. Series Botanica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Farmakologiczna aktywność flawonoidów i aminoflawonów
Pharmacological activities of aminoflavones
Autorzy:
Szeliga, D.
Korabik, M.
Ochocki, J.
Powiązania:
https://bibliotekanauki.pl/articles/172060.pdf
Data publikacji:
2018
Wydawca:
Polskie Towarzystwo Chemiczne
Tematy:
flawonoidy
flawony
aminoflawony
aktywność biologiczna
właściwości przeciwnowotworowe
flavonoids
flavones
aminoflavones
biological activity
anticancer properties
Opis:
Aminoflavones belong to a group of flavonoids, compounds commonly found in nature. Their pharmacological and biochemical effects include cytotoxic, antioxidant and antitumor properties. The studies have shown that complexes of aminoflavons with metal ions can be potential drugs and seem to be promising in the treatment of ovarian cancer, breast cancer, lung adenocarcinoma and melanoma. In addition aminoflavones have a lower cytotoxic activity towards healthy cells than another compounds. In the view of their wide pharmacological and biological actions, they seem to have great therapeutic potential.
Źródło:
Wiadomości Chemiczne; 2018, 72, 7-8; 563-583
0043-5104
2300-0295
Pojawia się w:
Wiadomości Chemiczne
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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