Preserved eggs, gray-wrapped eggs, wrapped eggs, etc. are traditional Chinese egg products made mainly from duck eggs. Preserved eggs are an alkaline food with a fresh, smooth and refreshing taste and unique color, aroma and flavor.

When people make preserved eggs, they will add some alkaline substances to the soil. They will pass through the pores on the eggshell and combine with amino acids to form amino acid salts. These amino acid salts are insoluble in protein, so they become Beautiful pine flowers formed. The finished preserved egg protein is green-brown, tan or brown-yellow, translucent, elastic, and generally has a pine flower pattern on the surface. Before eating preserved eggs, the soil on the surface should be removed, washed and shelled, sliced ??and plated, topped with seasonings and then eaten, or eaten directly.