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Open AccessArticle

Fatty Acid Content and Composition of the Yakutian Horses and Their Main Food Source: Living in Extreme Winter Conditions

1
Institute for Biological Problems of Cryolithozone of Siberian Branch of the Russian Academy of Sciences, 41 Lenina av., Yakutsk 677000, Russia
2
Siberian Institute of Plant Physiology and Biochemistry, Siberian Branch of Russian Academy of Sciences, 132 Lermontova str., Irkutsk 664033, Russia
3
North-Eastern Federal University, 48 Kulakovskogo str., Yakutsk 677000, Russia
4
Siberian Federal University, 79 Svobodny pr., Krasnoyarsk 660041, Russia
5
Institute of Biophysics of Federal Research Center “Krasnoyarsk Science Center” of Siberian Branch of Russian Academy of Sciences, Akademgorodok, Krasnoyarsk 660036, Russia
*
Author to whom correspondence should be addressed.
Biomolecules 2020, 10(2), 315; https://doi.org/10.3390/biom10020315
Received: 4 January 2020 / Revised: 3 February 2020 / Accepted: 11 February 2020 / Published: 17 February 2020
(This article belongs to the Special Issue Fatty Acids in Natural Ecosystems and Human Nutrition)
For the first time, seasonal changes in the content of total lipids (TLs) and phospholipids (PLs) were studied in fodder plants growing in Central Yakutia—a perennial cereal, smooth brome (Bromopsis inermis L.), and an annual cereal, common oat (Avena sativa L.). Both species have concentrated TLs and PLs in autumn under cold hardening. In addition, a significant increase in the content of fatty acids (FAs) of B. inermis was observed during the autumn decrease in temperature. The Yakutian horses, which fed on cereals enriched with nutrients preserved by natural cold (green cryo-fodder), accumulated significant amounts of 18:2n-6 and 18:3n-3, the total content of which in cereals was 75% of the total FA content. We found differences in the distribution of these two FAs in different tissues of the horses. Thus, liver was rich in 18:2n-6, while muscle and adipose tissues accumulated mainly 18:3n-3. Such a distribution may indicate different roles of these FAs in the metabolism of the horses. According to FA content, meat of the Yakutian horses is a valuable dietary product. View Full-Text
Keywords: essential polyunsaturated fatty acids; linoleic acid; alpha-linolenic acid; food quality; muscle tissue; subcutaneous adipose tissue; liver; green cryo-fodder essential polyunsaturated fatty acids; linoleic acid; alpha-linolenic acid; food quality; muscle tissue; subcutaneous adipose tissue; liver; green cryo-fodder
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Petrov, K.A.; Dudareva, L.V.; Nokhsorov, V.V.; Stoyanov, K.N.; Makhutova, O.N. Fatty Acid Content and Composition of the Yakutian Horses and Their Main Food Source: Living in Extreme Winter Conditions. Biomolecules 2020, 10, 315.

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