A baseline study on lipid and fatty acid composition in the pearl oyster, Pinctada fucata

文献类型： 外文期刊

第一作者： Shen, Ya-nan

作者： Shen, Ya-nan;Zhang, Bo;Jiang, Song;Liu, Bo-suo;Huang, Gui-ju;Yu, Da-hui;Shen, Ya-nan;Zhang, Bo;Jiang, Song;Liu, Bo-suo;Huang, Gui-ju;Yu, Da-hui;Shen, Ya-nan;Zhang, Bo;Jiang, Song;Liu, Bo-suo;Huang, Gui-ju;Yu, Da-hui;Shen, Ya-nan;Zhang, Dong-ling

作者机构：

关键词： Pearl oyster;Lipidomic baseline;GC-MS;Fatty acid;DHA;EPA

期刊名称：AQUACULTURE INTERNATIONAL （ 影响因子：2.235； 五年影响因子：2.616 ）

ISSN：

年卷期：

页码：

收录情况： SCI

摘要： The pearl oyster Pinctada fucata is cultured for pearl production in China, but its germplasm is degenerated. Thus, lipid and fatty acids were investigated in P. fucata based on different tissues, body sizes and condition indexes using GC-MS to provide a lipidomic baseline for evaluation of breeding variety in terms of physiology. The major fatty acids over all samples included saturated (C16:0 and C18:0), monounsaturated [C16:1(n-7), C18:1(n-7) and C18:1(n-9)], and polyunsaturated fatty acids [arachidonic acid: C20:4(n-6), EPA: C20:5(n-3) and DHA: C22:6(n-3)]. Relative percentages of lipid contents of the mantle and visceral mass were, respectively, 40.75 and 42.03 %, significantly higher than adductor muscle (14.48 %) and gill (17.15 %). Fatty acid analysis showed that there were 15 types of fatty acids in adductor muscle, 17 types in mantle and gill, respectively, and 19 types in visceral mass. Meanwhile, total fatty acids, SFA, MUFA and PUFA were the highest in visceral mass (P < 0.05). Yet the lipid contents and fatty acid compositions showed no significant differences between body sizes or condition indexes based on visceral mass. The observations above suggested that visceral mass and mantle are the major tissues for P. fucata to store lipids and thus are important candidate tissues for lipidomic study.

分类号： S9

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