论文部分内容阅读
鸡蛋是每个家庭餐桌上必不可少的食物,但是关于鸡蛋中蕴藏的营养学知识,不是人人都了解的,本文为您揭开鸡蛋的奥秘。鸡蛋到底分几层呢?每当问大家鸡蛋到底分几层的时候,回答都各不相同,很多朋友都不加思考并且坚定地告诉我分三层,蛋壳、蛋白和蛋黄,也有说分四层的,多了个蛋壳膜,这些答案都是错误的。鸡蛋一共分为以下5层:最外层的叫卵壳,起主要的保护作用。把壳打破看见有层膜叫卵壳膜,
Eggs are an essential ingredient for every family’s table, but not everyone understands the nutrition they contain in their eggs. This article opens the door to the mystery of eggs. Egg in the end divided into several layers? Whenever asked everyone in the end points in layers when the answer is different, many of my friends are not thinking and firmly told me divided into three layers, eggshell, protein and egg yolk, also said Four layers, more eggshell membrane, these answers are wrong. Egg is divided into the following five layers: the outermost shell called egg, played a major protective effect. Break the shell to see a layer of membrane called eggshell membrane,