Effect of abiotic factors (Temperature, pH, Heavy Metals) on activity of carbohydrases of food objects of ichthyophages

被引：0

作者：

Golovanova I.L. ^{[1
]}

Golovanov V.K. ^{[1
]}

机构：

[1] Papanin Institute of Biology of Inland Waters, Russian Academy of Sciences (IBIW RAS), Borok, Nekouzskii raion

来源：

Journal of Ichthyology | 2011年 / 51卷 / 8期

关键词：

carbohydrases; copper; fish; heavy metals; pH; temperature; zinc;

D O I：

10.1134/S0032945211050067

中图分类号：

学科分类号：

摘要：

Separate and complex effect of temperature, pH, and heavy metals (copper, zinc) is investigated on activity of carbohydrases in the whole organism of juvenile fish (carp Cyprinus carpio, golden carp Carassius auratus, roach Rutilus rutilus, perch Perca fluviatilis, common kilka Clupeonella cultriventris, and rotan Perccottus glenii)-potential food objects of typical and facultative ichthyophages. Temperature of 0°C and low pH at separate and combined action noticeably decrease the amylolytic activity in comparison with metals. Enzymes of golden carp, kilka, and rotan are maximally stable to change of temperature and pH. As a rule, the combined effect of low temperature and metals, as well as of low pH and metals, increases the level of separate effect. Maximum decrease of activity of carbohydrases (by two-seven times) is noted under the complex action of temperature 0°C, pH 5. 0, and heavy metals (especially copper). © 2011 Pleiades Publishing, Ltd.

引用

页码：633 / 640

页数：7

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