Autor: Greń, Agnieszka - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Does benzo[a]pyrene affect the heart embryonic development?
Autorzy:: Kołodziejczyk, Łukasz M.
Puzik, Magdalena
Greń, Agnieszka
Batoryna, Marta
Formicki, Grzegorz
Kapusta, Edyta
Powiązania:: https://bibliotekanauki.pl/articles/2183559.pdf
Data publikacji:: 2018-12-31
Wydawca:: Uniwersytet Pedagogiczny im. Komisji Edukacji Narodowej w Krakowie
Tematy:: benzo[a]pyrene
ecg
embryo
GSH
heart
MDA
Opis:: Benzo[a]pyrene is a polycyclic aromatic hydrocarbon of well proved toxic effect on animal cells and tissues. We used chicken in ovo developmental model to verify its influence on selected parameters of the heart rhythm and on the antioxidative defense in the heart tissue. We determined that the dose of 1 mg/kg weight of eggs of benzo[a]pyrene strongly activates the glutathione-dependent antioxidative system, but it do not significantly affect the heart conducting system of the chicken embryo. We postulate that further study on the benzo[a]pyrene action during embryonic development of birds is recommended.
Źródło:: Annales Universitatis Paedagogicae Cracoviensis Studia Naturae; 2018, 3 (suppl.); 33-38
2543-8832
2545-0999
Pojawia się w:: Annales Universitatis Paedagogicae Cracoviensis Studia Naturae
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Antioxidant enzymes activity, GSH and MDA level in eggs from heritage breeds
Autorzy:: Muchacka, Renata
Sosnówka-Czajka, Ewa
Skomorucha, Iwona
Kapusta, Edyta
Greń, Agnieszka
Goc, Zofia
Powiązania:: https://bibliotekanauki.pl/articles/2183563.pdf
Data publikacji:: 2018-12-31
Wydawca:: Uniwersytet Pedagogiczny im. Komisji Edukacji Narodowej w Krakowie
Tematy:: antioxidant enzymes
eggs
GSH
hens
MDA
Opis:: The objective of the study was to determine the activity of antioxidant enzymes and the level of GSH and MDA in yolk and albumen of hen’s eggs. The experiment was carried out with 99 hens of three heritage breeds (‘Greenleg Partridge’ - group I, ‘Sussex’ - group II, ‘Rhode Island Red’ - group III). Layers were reared in the litter system and had outdoor access. Birds were fed ad libitum standard diets based on concentrates for laying hens and had free access to water throughout the experiment. All the groups were managed under uniform environmental (air humidity and temperature, lighting programme) and feeding conditions. At 48 weeks of age, 6 eggs from each group were collected. In the samples of egg yolks and albumens the concentration of GSH and MDA, and activity of SOD, GPx and CAT were estimated. The results were statistically analysed by one-way analysis of variance and significant differences were estimated with Duncan’s multiple range test. The highest activity of SOD, the highest level of GSH and the lowest level of MDA were characterised by eggs from ‘Sussex’ hens, which may indicate their best quality. Based on the obtained results, it can be concluded that the activity of antioxidant enzymes (mainly SOD) and the levels of GSH and MDA which occur in eggs may depend on the breed of hens.
Źródło:: Annales Universitatis Paedagogicae Cracoviensis Studia Naturae; 2018, 3 (suppl.); 47-53
2543-8832
2545-0999
Pojawia się w:: Annales Universitatis Paedagogicae Cracoviensis Studia Naturae
Dostawca treści:: Biblioteka Nauki

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