V P Osipova, M N Kolyada, M A Polovinkina, A D Kolumbet, E N Ponomareva, A V Velikorodov
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Antioxidant activity and protective effect of hydroxy derivatives of chalcones for sterlet (Acipenser ruthenus, Linnaeus, 1758) sperm.
The aim of this work is to study the effect of adding hydroxy derivatives of chalcones to the basic cryomedium on the ability of sterlet sperm to utilize superoxide and hydrogen peroxide, the intensity of lipid peroxidation of male fish germ cells, and their viability both before cryopreservation and after 3 days of freezing at liquid nitrogen temperature. The ability of phenolic derivatives of chalcones to increase the superoxide dismutase and catalase activities of sterlet sperm and to reduce the intensity of lipid peroxidation has been established. The antioxidant activity of the derivatives exceeds the effect of Trolox, which inhibits the functioning of the enzyme component of the antioxidant protection of fish sperm and promotes lipid peroxidation of fish sperm before cryopreservation. A beneficial effect of hydroxy derivatives of chalcones on the motility parameters of thawed sperm has been shown, indicating their ability to increase the cryoresistance of sperm in such a promising aquaculture species as sterlet.
期刊介绍:
Cryobiology: International Journal of Low Temperature Biology and Medicine publishes research articles on all aspects of low temperature biology and medicine.
Research Areas include:
• Cryoprotective additives and their pharmacological actions
• Cryosurgery
• Freeze-drying
• Freezing
• Frost hardiness in plants
• Hibernation
• Hypothermia
• Medical applications of reduced temperature
• Perfusion of organs
• All pertinent methodologies
Cryobiology is the official journal of the Society for Cryobiology.