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首页> 外文期刊>Russian journal of marine biology >Fatty Acids of the Medusae Aurelia aurita (Linnaeus, 1758) and Rhopilema esculentum (Kishinouye, 1891): The Presence of Families of Polyenoic Acids with 24 and 26 Carbon Atoms
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Fatty Acids of the Medusae Aurelia aurita (Linnaeus, 1758) and Rhopilema esculentum (Kishinouye, 1891): The Presence of Families of Polyenoic Acids with 24 and 26 Carbon Atoms

机译:Medusae Aurelia aurita(Linnaeus,1758)和Rhopilema esculentum(Kishinouye,1891)的脂肪酸:存在具有24和26个碳原子的多烯酸家族

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摘要

It was found that lipids of scyphoid jellyfishes of the Sea of Japan, Aurelia aurita (Linnaeus, 1758) and Rhopilema esculentum (Kishinouye, 1891) contain, along with the common fatty acids (FAs) that are characteristic of marine organisms, notable concentrations of polyunsaturated fatty acids (PUFAs) with 24 and 26 carbon atoms. The main PUFAs in A. aurita and Rh. esculentum were 20:5(n-3), 22:6(n-3), 24:6(n-3), and 22:5(n-3). In addition, it was found for the first time that Rh. esculentum contains 1.6% C26 PUFAs: C26:7(n-3), C26:6(n-3), and C26:5(n-3). In spite of similar PUFA levels in A. aurita and Rh. esculentum (65.95 and 58.79%, respectively), the ratio of the FA (n-3)/(n-6) families was in A. aurita 7 times higher than in Rh. esculentum. Saturated acids (26.57% in A. aurita and 31.75% in Rh. esculentum) were represented by palmitic and stearic acids. The level of monounsaturated FAs, including C16:1 and C18:1 isomers, was low and did not exceed 10% in both species. The presence of unusual families of PUFAs with 24 and 26 carbon atoms and the difference in the contents of FAs (n-3) and (n-6) in species that live under similar conditions is of great interest.
机译:结果发现,日本海的鞘磷脂水母,Aurelia aurita(Linnaeus,1758)和Rhopilema esculentum(Kishinouye,1891)的脂质,以及海洋生物体所特有的常见脂肪酸(FAs),都含有显着浓度的海藻。具有24和26个碳原子的多不饱和脂肪酸(PUFA)。 A. aurita和Rh。的主要PUFA。 es是20:5(n-3),22:6(n-3),24:6(n-3)和22:5(n-3)。另外,首次发现Rh。 es包含1.6%的C26 PUFA:C26:7(n-3),C26:6(n-3)和C26:5(n-3)。尽管A. aurita和Rh中的PUFA含量相似。番茄(分别为65.95和58.79%)中金黄色葡萄球菌FA(n-3)/(n-6)家族的比率是Rh的7倍。 esculentum。棕榈酸和硬脂酸代表饱和酸(A. aurita中为26.57%,Rh。esculentum中为31.75%)。在两个物种中,包括C16:1和C18:1异构体的单不饱和FA的水平都很低,不超过10%。在相似条件下生活的物种中,存在具有24和26个碳原子的PUFA的异常家族以及FAs(n-3)和(n-6)含量的差异。

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