另外一种要注意的必需营养素是欧米茄- 3 (omega - 3)脂肪酸。
The other essential nutrient to pay attention to is omega-3fatty acids.
花生四烯酸是一种人体必需的多不饱和脂肪酸，具有极高的保健价值，目前已经受到了人们的广泛关注。
Arachidonic acid was a kind of essential polyunsaturated fatty acid for human with great health function. Now, people had recognized widely for their beneficial health effect.
纯素食者容易缺少EPA和DHA，因为只有海鲜、鸡蛋和几种海带含有这两种十分必需的脂肪酸。
Vegans tend to have low blood concentrations of EPA and DHA, as these two omega-3 fatty acids are only found in seafood, eggs, and certain kinds of seaweed and kelp.
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