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首页> 外文期刊>Ukrainian Biochemical Journal >Fatty acid composition of structural lipids of normal and abnormal wool fibres
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Fatty acid composition of structural lipids of normal and abnormal wool fibres

机译:正常和异常羊毛纤维的结构脂质的脂肪酸组成

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The purpose of this study was to determine the fatty acid composition of structural lipids, isolated from normal and abnormal wool fibers. The results of these studies show that regardless of the type of wool fibers defect there are quantitative changes in their fatty acid composition. It was shown that the main fatty acid of the covalently bound lipids, isolated from the wool fibers, is 18-methyleicosanoic acid (18-MEA), comprising 40% of the total fatty acid, while its amount in free lipids in norm is less than 4%. The decrease of 18-MEA content in the covalently bound lipid both in pathological thin and entangled wool fibers was established, which is associated with damage of the cuticle layer surface. Increasing of 18-MEA content in the free lipids in the entangled wool fibers may indicate a rupture of tioester links between lipids and proteins of cuticle layer lamellar structures.
机译:这项研究的目的是确定分离自正常和异常羊毛纤维的结构脂质的脂肪酸组成。这些研究的结果表明,无论羊毛纤维缺陷的类型如何,其脂肪酸组成都会发生定量变化。结果表明,从羊毛纤维中分离出来的共价结合脂质的主要脂肪酸是18-甲基二十二烷酸(18-MEA),占总脂肪酸的40%,而其在游离脂质中的含量通常较少超过4%。在病理性细纤维和缠结的羊毛纤维中,共价结合脂质中18-MEA含量的降低被确定,这与表皮层表面的损伤有关。缠结的羊毛纤维中游离脂质中18-MEA含量的增加可能表明脂质与表皮层层状结构蛋白之间的硫酯键断裂。

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