A salted duck egg weighs about 5g and contains about 8 calories.

Salted duck eggs, also known as green husk, green egg, salted duck egg and salted duck egg, were called salted duck eggs in ancient times, which is a special dish in China. Salted duck eggs have a long history in China, and are deeply loved by ordinary people, as well as in the market.

salted duck eggs are produced in many parts of the country, but only Jiangsu Gaoyou salted duck eggs are the most famous. Yuan Mei's "Suiyuan Menu" has a "salted egg": "Gaoyou is the best preserved egg."

Salted duck eggs are preserved from fresh duck eggs, which are rich in nutrition, fat, protein, amino acids, calcium, phosphorus, iron, trace elements and vitamins.