Preserved eggs are also called preserved eggs because the egg white’s cortex has needle-like crystal patterns. "If eggs are good, pine flowers will bloom, and if flowers bloom, preserved eggs will be good." Clusters of pines and flowers are an important characteristic of a good preserved egg. So how do pine flowers bloom on preserved eggs?

The beautiful pine pattern on preserved eggs is actually a crystal formed by magnesium hydroxide and water molecules. During the pickling process of preserved eggs, alkaline substances pass through the pores on the eggshell and mix with the protein in the egg white. formed by reaction. The number and shape of pine flowers are related to factors such as the pickling process, pickling time and temperature of preserved eggs.

Preserved eggs often use duck eggs as the main raw material, and their nutrition is basically the same as that of duck eggs. It has the functions of promoting appetite, appetizing, feeding, and aiding digestion. When buying preserved eggs, it is best to choose preserved eggs with the word "lead-free" on the label. Since low temperature will affect the flavor and color of preserved eggs, making their quality worse, the preserved eggs you buy home should not be placed in the refrigerator. They should be placed in the refrigerator. Store in a dry and ventilated place at room temperature and away from light. The shelf life is 3 to 6 months.