Abstract
The effect of 30-day starvation on the state of the antioxidant complex and lipid peroxidation in the tissues of the Black Sea bivalve mollusks Anadara kagoshimensis (Tokunaga, 1906) was studied. Mollusks were collec-ted on a mussel and oyster farm near the village Katsiveli (the Southern coast of Crimea, the Black Sea) on April 2020. The mollusks were kept in aquariums with a closed water exchange system with biofiltration of water. The mollusks of the experimental group were not fed for 30 days. The activity of glutathione peroxidase, glutathione reductase, superoxide dismutase, catalase, the content of reduced glutathione and TBA-reactive products were determined. It was found that under fasting conditions the content of TBA-reactive products decreased in the hepatopancreas and the foot of the mollusk, and did not change in the gills. The most pronounced changes in the AO complex – an increase in all the studied parameters – were detected in the hepatopancreas. An increase only in the parameters of the antioxidant glutathione system was found in the foot, and an increase only in the activity of glutathione peroxidase and in the content of reduced glutathione was found in the gills. The results obtained in the study have shown a stable antioxidant-prooxidant ba-lance in the bivalve mollusk A. kagoshimensis under starvation conditions.
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