70年代末,Dyerberg等的流行病学调查发现,格陵兰岛爱斯基摩人很少患心肌梗塞和血栓病症等心血管疾病。后经分析证明,这与他们大量进食海鱼等海生动物有关。在海鱼等海生动物的油脂中含有一般其他动物油和植物油所没有的一类多烯脂肪酸,即n-3多烯脂肪酸,或称ω-3多烯脂肪 In the late 1970s, an epidemiological investigation by Dyerberg et al. Found that Eskimos in Greenland rarely suffer from cardiovascular diseases such as myocardial infarction and thrombotic conditions. After the analysis proved that this is related to their massive consumption of marine animals such as marine fish. In the marine fish such as marine fishes and oils contains a general category of other animal oils and vegetable oils do not have a class of polyene fatty acids, n-3 polyene fatty acids, or ω-3 polyene fat