南极磷虾磷脂的组成及其抗氧化活性

刘小芳1; 郭向融1; 2; 李爽1; 辛云1; 2; 蒋永毅3; 冷凯良1; 姜维2*

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DOI:10.12161/j.issn.1005?6521.2024.03.003

食品研究与开发:2024,45(3):16-21

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南极磷虾磷脂的组成及其抗氧化活性

刘小芳1，郭向融1，2，李爽1，辛云1，2，蒋永毅3，冷凯良1，姜维2*^1,2,3

(1.中国水产科学研究院黄海水产研究所农业农村部极地渔业可持续利用重点实验室，山东青岛 266071;2.浙江海洋大学国家海洋设施养殖工程技术研究中心，浙江舟山 316022;3.青岛菲优特检测有限公司，山东青岛 266112)

Composition and Antioxidant Activity of Phospholipids from Antarctic Krill（Euphausia superba）

LIU Xiaofang1，GUO Xiangrong1，2，LI Shuang1，XIN Yun1，2，JIANG Yongyi3，LENG Kailiang1，JIANG Wei2*^1,2,3

(1.Key Laboratory of Sustainable Development of Polar Fisheries，Ministry of Agriculture and Rural Affairs，Yellow Sea Fisheries Research Institute，Chinese Academy of Fishery Sciences，Qingdao 266071，Shandong，China;2.National Engineering Research Center for Marine Aquaculture，Zhejiang Ocean University，Zhoushan 316022，Zhejiang，China;3.Qingdao Future Testing Technology Co.，Ltd.，Qingdao 266112，Shandong，China)

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中文摘要: 为研究南极磷虾磷脂的组成及抗氧化活性，采用硅胶柱层析法分离制备南极磷虾磷脂，对其磷脂组成和磷脂脂肪酸组成进行分析，通过测定自由基清除能力和还原能力系统评价南极磷虾磷脂的抗氧化活性。结果表明，纯化获得的南极磷虾磷脂的磷脂含量为（93.78±3.18）g/100 g；南极磷虾磷脂主要为磷脂酰胆碱和磷脂酰乙醇胺，分别占比（90.60±1.03）%和（5.08±1.10）%；南极磷虾磷脂中多不饱和脂肪酸含量丰富，且主要为二十碳五烯酸（eicosapen?taenoic acid，EPA）和二十二碳六烯酸（docosahexaenoic acid，DHA），分别占总脂肪酸含量的（31.75±0.24）%和（19.35±0.10）%。南极磷虾磷脂具有良好的自由基清除能力和还原能力，其清除ABTS+自由基和DPPH 自由基的IC50 值分别为15.78 mg/mL 和14.87 mg/mL，且其还原能力呈浓度依赖效应。南极磷虾磷脂的抗氧化能力明显优于大豆磷脂和卵黄磷脂。

中文关键词: 南极磷虾磷脂纯化组成特征抗氧化活性

Abstract:The composition and antioxidant activity of phospholipids from Antarctic krill（Euphausia superba）were investigated in this study.The phospholipids from Antarctic krill were separated and prepared by silica gel column chromatography，and then the composition and fatty acid composition of the obtained phospholip?ids were analyzed.The antioxidant activity of the obtained phospholipids was systematically evaluated by mea?suring the free radical scavenging capacity and reducing capacity.The results showed that the purity of the ob?tained phospholipids was（93.78±3.18）g/100 g.The phospholipids from Antarctic krill were mainly composed of phosphatidylcholine and phosphatidylethanolamine，accounting for（90.60±1.03）% and（5.08±1.10）% of the total phospholipids，respectively.The phospholipids from Antarctic krill were rich in polyunsaturated fatty acids，mainly eicosapentaenoic acid（EPA）and docosahexaenoic acid（DHA），accounting for（31.75±0.24）%and（19.35±0.10）% of the total fatty acids，respectively.The phospholipids from Antarctic krill exhibited good free radical scavenging capacity and reducing capacity.The IC50 of scavenged ABTS+ free radical and DPPH free radical was 15.78 mg/mL and 14.87 mg/mL，respectively，and the reducing capacity presented a concentration?dependent effect.The antioxidant activity of phospholipids from Antarctic krill was obviously su?perior to that of soybean phospholipids and yolk phospholipids.

keywords: Antarctic krill（Euphausia superba） phospholipids purify composition characteristics anti⁃oxidant activity

文章编号：202403003 中图分类号： 文献标志码：

基金项目:国家自然科学基金青年科学基金项目（32001770）；国家重点研发计划项目（2022YFC2807505）

作者	单位
刘小芳1，郭向融1，2，李爽1，辛云1，2，蒋永毅3，冷凯良1，姜维2*	1.中国水产科学研究院黄海水产研究所农业农村部极地渔业可持续利用重点实验室，山东青岛 266071；2.浙江海洋大学国家海洋设施养殖工程技术研究中心，浙江舟山 316022；3.青岛菲优特检测有限公司，山东青岛 266112

Author Name

Affiliation

LIU Xiaofang1，GUO Xiangrong1，2，LI Shuang1，XIN Yun1，2，JIANG Yongyi3，LENG Kailiang1，JIANG Wei2*

1.Key Laboratory of Sustainable Development of Polar Fisheries，Ministry of Agriculture and Rural Affairs，Yellow Sea Fisheries Research Institute，Chinese Academy of Fishery Sciences，Qingdao 266071，Shandong，China；2.National Engineering Research Center for Marine Aquaculture，Zhejiang Ocean University，Zhoushan 316022，Zhejiang，China；3.Qingdao Future Testing Technology Co.，Ltd.，Qingdao 266112，Shandong，China

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