栖息在卡累利阿的银行田鼠（myodes (clethrionomys) glareolus）和普通鼩鼱（sorex araneus）组织中维生素 a 和 e 的含量

Vestnik Moskovskogo universiteta. Seria 16. Biologia Pub Date : 2024-06-03 DOI:10.55959/msu0137-0952-16-79-1-8

T. Ilyina, I. Baishnikova, A. Yakimova, I. Zaitseva

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引用次数: 0

摘要

我们研究了栖息在银行田鼠（Myodes (Clethrionomys) glareolus）分布区北部边缘的银行田鼠和普通鼩鼱（Sorex araneus）组织中维生素 A（视黄醇）和维生素 E（α-生育酚）的含量。维生素 A 在普通鼩鼱和岸田鼠组织中的分布相似，含量最高的是肝脏，含量最低的是心脏。在两个物种的肾脏和鼩鼱的骨骼肌中发现了与年龄有关的视黄醇含量差异。与成年越冬动物相比，幼年鼩鼱越冬前所有器官中的维生素 E 含量都明显较低，而银行田鼠则没有发现这种与年龄有关的差异。越冬动物肝脏中维生素 A 和 E 含量的种间差异也被揭示出来。研究结果表明，银行田鼠和鼩鼱组织中维生素 A 和 E 的含量取决于物种的代谢过程和生态特征。鼩鼱体内的维生素含量主要取决于年龄。

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VITAMINS A AND E CONTENT IN THE TISSUES OF THE BANK VOLE (MYODES (CLETHRIONOMYS) GLAREOLUS) AND COMMON SHREW (SOREX ARANEUS) INHABITING IN KARELIA

We studied the vitamins A (retinol) and E (α-tocopherol) content in the tissues of the bank vole (Myodes (Clethrionomys) glareolus) and common shrew (Sorex araneus) inhabiting the northern periphery of its range. The distribution of vitamin A in the common shrew and bank vole tissues was similar, the highest content was found in the liver, and the lowest level was in the heart. Agerelated differences in retinol content were detected in the kidneys of two species, as well as in the skeletal muscle of the shrew. Significantly lower vitamin E content was found in all organs of young shrews before wintering, compared to adult wintered animals, while in the bank vole no such age-related differences were found. Interspecies differences in the levels of vitamins A and E in the liver of overwintered animals were revealed. The results obtained show that vitamins A and E content in the tissues of the bank vole and the common shrew is determined by the metabolic processes and the ecological characteristics of the species. The vitamins level in the common shrew depends largely on age.

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Vestnik Moskovskogo universiteta. Seria 16. Biologia

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