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ISSN 2522-9028 (Print)
ISSN 2522-9036 (Online)

Fiziologichnyi Zhurnal

is a scientific journal issued by the

Bogomoletz Institute of Physiology
National Academy of Sciences of Ukraine

Editor-in-chief: V.F. Sagach

The journal was founded in 1955 as
1955 – 1977 "Fiziolohichnyi zhurnal" (ISSN 0015 – 3311)
1978 – 1993 "Fiziologicheskii zhurnal" (ISSN 0201 – 8489)
1994 – 2016 "Fiziolohichnyi zhurnal" (ISSN 0201 – 8489)
2017 – "Fiziolohichnyi zhurnal" (ISSN 2522-9028)

Fiziol. Zh. 2016; 62(3): 30-38


T.V. Vovkun1, P.I. Yanchuk1, L.Y. Shtanova1, S.P. Vesеlskyу1 , A.S. Shalamaу2

  1. Taras Shevchenko National University of Kyiv;
  2. PJSC SIC “Borshchahivskiy CPP”


In acute experiments on rats with cannulated bile duct we studied the effect of Corvitin, water-soluble analogue of quercetin, on secretion of bile. Intraportal administration of the test compound at doses of 2,5; 5 and 10 mg/kg resulted in a significant increase in the volume of secreted bile by 20,9, 31,2 and 20,4%, respectively, as compared with the control. Using the method of thin layer chromatography it was established the mild stimulating effect of Corvitin on the processes of bile acids conjugation with taurine and glycine, especially when administered at a dose of 5 mg/kg. This flavonoid did not affect the concentration of glycocholic acid, however increased the content of glycochenodeoxycholic and glycodeoxycholic acids in the mixture between 15 to 35,1%. Regarding free bile acids, the concentration of cholic acid, chenodeoxycholic and deoxycholic acids in the mixture was increased significantly relative to control only after Corvitin application at dose 10 mg/ kg. In the first case – from 17,9 to 29,8%, in the second – from 25 to 65,4%. At the dose of 5 mg/kg, Corvitin significantly increased the ratio of bile cholates conjugation (maximum by 23,2%), whereas 10 mg/kg of the drug decreased this index by 27,0%. After administration of Corvitin, the hydroxylation ratio in all experimental groups differed little from the control: at the dose of 5 and 10 mg/kg this parameter decreased by 14%. Thus, Corvitin modulates exocrine function of the liver, causing an increase in bile secretion and concentration of different cholates, dose-dependently increasing or decreasing the effectiveness of multienzyme systems providing processes of bile acids conjugation in rats.

Keywords: Corvitin; liver; bile; secretion of bile; bile acids; conjugation and hydroxylation of cholates.


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