正常食用蛋黃不會導致膽固醇超標:因為蛋黃中含有較豐富的卵磷脂,是一種強有力的乳化劑,能使膽固醇和脂肪顆粒變得極細,順利通過血管壁而被細胞充分利用,從而減少血液中的膽固醇。而且蛋黃中的卵磷脂消化後可釋放出膽鹼,進入血液中進而合成乙酰膽鹼,是神經遞質的主要物質,可提高腦功能,增強記憶力。其實,每個人都是需要膽固醇的。只有當你每天攝入的膽固醇過量形成高膽固醇血症時,它才會危害你的健康。事實上,“適量攝取”才是關鍵。任何營養成分,只要你攝入過量,就會對你造成危害;攝入不足,同樣會對你造成危害。
WebMD: Eggs: Dietary Friend or Foe?
On the Food Guide Pyramid put out by the government, eggs are part of the protein-rich food group of meat, poultry, fish, dry beans, eggs, and nuts.
Two to three servings from this group are recommended each day. One egg would be equal to one-third to one-half of a serving from this group.