Is Century egg made of eggs or duck eggs?

Century egg are usually made from duck eggs, and eggs are also used in a few cases. Century egg, also known as Preserved eggs, is a traditional food made by special processing technology, with unique flavor and taste.

Century egg made from duck eggs are more common, because the egg shell of duck eggs is thicker, and the proportion of egg white and yolk is more suitable for making Century egg. After duck eggs are soaked in alkaline solution, the protein will denature, forming a unique gel like texture and dark appearance. The Century egg made from duck eggs usually has a richer flavor and a more delicate taste, which is the result of long-term practice of traditional techniques.

Eggs can also be used to make Century egg, but it is relatively rare. The Century egg made from eggs is different from the Century egg made from duck eggs in taste and flavor. The texture of Century egg may be softer and the taste is relatively light. Due to the thin shell of eggs, more precise control of time and temperature is required during the processing to avoid shell cracking or unstable product quality.

Both duck eggs and Century egg made from eggs are rich in protein and minerals, but the sodium content is high, so it is recommended to eat moderately. When purchasing Century egg, pay attention to whether the product packaging is complete, and avoid purchasing Century egg with peculiar smell or abnormal appearance. Century egg can be eaten directly, or used to make Century egg lean meat Congee, cold Century egg and other dishes, adding flavor to daily diet. Special groups such as hypertension patients and pregnant women should control their intake of Century egg and avoid excessive intake of sodium and heavy metal lead.