新鲜的禽蛋,吃起来味美且富有营养。如果蛋不新鲜,甚至霉变发臭,不仅谈不上什么营养,而且无法食用。实际上,在日常生活中,禽蛋放置时间一长,容易腐败变质。通常有如下几种情况:细菌透过蛋壳使蛋白质分解导致蛋黄移位,形成“贴壳蛋”;进而蛋黄膜分解形成“散黄蛋”; Fresh eggs, delicious to eat and nutritious. If the egg is not fresh, or even moldy smelly, not only can not talk about what nutrition, and can not eat. In fact, in daily life, laying eggs for a long time, easy to spoilage. Usually there are several cases: bacteria through the egg shell decomposition of the protein led to the shift of the egg yolk, the formation of “shell egg”; and then the decomposition of the egg yolk membrane to form “scattered yellow egg”;