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首页> 外文期刊>Russian journal of marine biology >Intra- and Interspecific Variability of Fatty Acid Composition of Soft Corals
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Intra- and Interspecific Variability of Fatty Acid Composition of Soft Corals

机译:软珊瑚脂肪酸组成的种内和种间变异性

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摘要

The intra- and interspecific variability of fatty acid (FA) composition of soft corals was examined in the tropical alcyonarian Sarcophyton sp., tropical gorgonian Euplexaura erecta, and boreal alcyonarian Gersemia rubiformis. Characteristic significant differences in the FA composition were found between these species belonging to different taxonomic groups and habitats. We assume that the FA groups 14:0+16:0 + 18 : 3n-6, 16 : 2 + 20 : 4n-6 + 24 : 5n-6, and 18 : 1n-7 + 20 : 1n-7 + 20 : 5n-3 + 24 : 6n-3 are characteristic of Sarcophyton sp., E. erecta, and G. rubiformis respectively. There were no significant differences (p > 0.05) between the three soft coral species in the content of oleic, linoleic, and docosahexaenoic acids. The relative content of more than 45% of individual FA did not significantly differ (p > 0.05) between the pairs of species, i.e., intraspecific variations exceeded interspecific ones. The reasons for intraspecific variability of soft coral FA composition are discussed. Control of this variability is needed when using individual FA as chemotaxonomic and food markers.
机译:在热带的阿尔科尼亚人的Sarcophyton sp。,热带的戈尔古斯人的Euplexaura erecta和北方的阿尔科尼亚人的gersemia rubiformis中检查了软珊瑚的脂肪酸(FA)组成的种内和种间变异性。在属于不同分类组和生境的这些物种之间发现FA组成的特征性显着差异。我们假设FA组14:0 + 16:0 + 18:3n-6、16:2 + 20:4n-6 + 24:5n-6和18:1n-7 + 20:1n-7 + 20 :5n-3 + 24:6n-3分别是Sarcophyton sp。,E。erecta和G. rubiformis的特征。三种软珊瑚种类之间的油酸,亚油酸和二十二碳六烯酸含量没有显着差异(p> 0.05)。超过45%的个体FA的相对含量在两个物种对之间没有显着差异(p> 0.05),即种内变异超过种间变异。讨论了软珊瑚FA成分种内变异的原因。当使用单个FA作为化学分类和食品标记时,需要控制这种可变性。

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