The influence of corvitin on secretory processes and blood flow in the rat gastric mucosa

Vovkun, T.V.; Ianchuk, P.I.; Shtanova, L.I.; Vesel'skyĭ, S.P.; Baranovs'kyĭ, V.A.

Fiziolohichnyi Zhurnal 59(1): 40-46


ISSN/ISBN: 2522-9028
PMID: 23713349
Accession: 056380416

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We studied parameters of gastric secretion in pylorus-ligated rat and blood flow in the rat gastric mucosa under the influence of drug corvitin used intragastrically in doses of 2.5 and 5 mg/kg. Biochemical analysis of gastric juice was based on the determination of pH, total hydrochloric acid production and total protein, hexosamine and cysteine concentration. Gastric juice analysis in control rats found the presence of hexosamines-- a gastric mucus indicators and cysteine--free amino acid whith properties of a strong antioxidant. Concentration of these compounds in the gastric juice increased as a consequence of corvitin action. However, corvitin did not affect at these parameters of gastric secretion as the volume of gastric juice, pH, hydrochloric acid output rate, protein concentration. Additionally it was shown that corvitin in dose-dependent manner increased blood flow in the gastric mucosa. This results give reason to believe that corvitin can be considered as a tool that amplifies gastric mucosal defense mechanisms without affecting the secretion of gastric hydrochloric acid and total protein.