1. Different raw materials and production methods lead to different colors of preserved eggs: yellow preserved eggs, also known as preserved eggs, are mainly eggs, with less egg white and yolk components and shorter storage time. Moreover, preserved eggs need soda ash and lime for curing. Yellow preserved eggs are covered with less soda ash and lime, so they are yellow preserved eggs. It is characterized by bright colors and a sense of transparency. And black preserved eggs are called. Preserved eggs, mainly duck eggs, contain more egg white and yolk, and can be preserved for a long time. Black preserved eggs need more soda ash and lime than yellow preserved eggs, so black preserved eggs are produced. It is characterized by dark color and large volume, generally black.
2. The health level is the same: only one of yellow preserved eggs and black preserved eggs is made of eggs, and the other is made of duck eggs, but there is little difference in nutrition between eggs and duck eggs. Eggs are rich in cholesterol and nutrients. Eggs are rich in protein and fat. Nutrients contained in eggs are indispensable to the human body and play an extremely important role, such as repairing human tissues, forming new tissues and participating in complex metabolic processes. Eggs are also good brain food. Duck eggs are rich in trace elements, including calcium, phosphorus, iron, potassium, sodium, chlorine and other nutrients. They have the functions of nourishing yin and clearing away lung heat, and are mainly used to treat lung yin deficiency, dry cough with little phlegm, sore throat, dry mouth and thirst, retching, dry stool and so on. Therefore, their health level is the same. In order to better absorb and eat, preserved eggs can be processed according to their own hobbies and tastes, and made into preserved egg lean porridge, cold preserved eggs and so on.
Finally, I would like to remind you to choose when buying preserved eggs. Lead-free preserved eggs!