American scientists in the study found that seaweed and kelp contains a lipid fatty acid called material.
美国科学家在研究中发现，海藻和海带中含有一种叫硫酸脂的脂肪物质。
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.
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。
The iodine dose in kelp and seaweed is not consistent enough.
海带和紫菜中的碘的剂量始终是不够的。
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