所生产的鸡蛋卵磷脂、铁、硒的含量升高，胆固醇含量降低，而且鸡蛋中重金属含量低，无抗生素残留。
The eggs produced had more lecithin, iron and selenium, and less cholesterol, characterized by low levels of heavy metals and no residual antibiotics.
鸡蛋中含有半胱氨酸，硫，卵磷脂，氨基酸和黄体素，这些物质可以防止生成白内障。
Eggs contain cysteine, sulfur, lecithin, amino acids and lutein. These also protect eyes from developing cataracts.
这是因为鸡蛋富含维生素b12和卵磷脂。
This is because eggs are full of vitamin B12 as well as lecithin.
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