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Abstract <p>This study investigates the effects of hypomagnetic conditions and water temperature on the activity of digestive enzymes in the intestine of <i>Cyprinus carpio</i>. Fish were maintained at two temperature regimes (18 and 27°C) for 30 days before being exposed to different magnetic environments for one hour. Increased water temperature enhanced digestive enzyme activity, while hypomagnetic exposure led to a decrease in both amylolytic activity and α-amylase activity. This effect was most pronounced in fish kept at the higher temperature. The findings highlight the high sensitivity of digestive enzymes to geophysical factors and suggest that α-amylase activity could serve as a biomarker in magnetobiological research.</p>

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Effects of Magnetic Environment on Digestive Enzyme Activity in Cyprinus carpio under Different Temperature Conditions

  • 期刊论文

  • 发表日期：

    2025年12月1日

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  • V. V. Krylov,
  • I. L. Golovanova,
  • A. A. Filippov,
  • A. A. Sizova,
  • D. A. Sizov,
  • E. A. Kulivatskaya,
  • A. K. Smirnov

摘要

Abstract

This study investigates the effects of hypomagnetic conditions and water temperature on the activity of digestive enzymes in the intestine of Cyprinus carpio. Fish were maintained at two temperature regimes (18 and 27°C) for 30 days before being exposed to different magnetic environments for one hour. Increased water temperature enhanced digestive enzyme activity, while hypomagnetic exposure led to a decrease in both amylolytic activity and α-amylase activity. This effect was most pronounced in fish kept at the higher temperature. The findings highlight the high sensitivity of digestive enzymes to geophysical factors and suggest that α-amylase activity could serve as a biomarker in magnetobiological research.