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二十碳五烯酸（EPA）和二十二碳六烯酸（DHA）是存在于海洋鱼类鱼油中的一种不饱和脂肪酸，具有降血脂、抗血栓、防治心血管疾病等作用［’］，由于具有良好的疗效和保健效果受到心血管患者和中老年人的欢迎D’。目前通常用气相色谱法测定鱼油中的EPA和DHA含量，其色谱位担体多
Eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), an unsaturated fatty acid present in marine fish oil, are lipid-lowering, anti-thrombotic and preventative of cardiovascular diseases [ Because of its good curative effect and health care effect, it is welcomed by cardiovascular patients and middle-aged and elderly people. At present, the content of EPA and DHA in fish oil is usually determined by gas chromatography.