1 salted duck egg (edible part 53.0g) contains calories 100 calories, which need to be consumed after walking for 69.0 minutes. Salted duck eggs, which are made from fresh duck eggs, are nutritious, rich in fat, protein and various amino acids, calcium, phosphorus, iron, various trace elements, vitamins, etc., which are easily absorbed by the human body and have a moderate salty taste, and are suitable for all ages. The eggshell is blue, round and smooth in appearance, also called "green egg". Salted duck egg is a kind of reproduced egg with special flavor and convenient eating. Salted duck egg is a good food with attractive color, fragrance and taste.

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The production of salted eggs is very common, and it is produced all over the country. Among them, Jiangsu Gaoyou salted eggs are the most famous, with six characteristics: fresh, fine, tender, loose, sandy and oily. Salted eggs processed with double yellow eggs are beautiful in color and unique in flavor. Therefore, Gaoyou salted eggs are not only supplied to major cities in China, but also exported to Hong Kong, Macao and Southeast Asian countries, and are well-known at home and abroad. There is also a custom in the old revolutionary base areas in southeastern Hubei. People eat zongzi and salted duck eggs every Dragon Boat Festival, which is a good gift for visiting relatives and friends.