Jin Siyan and many other birds of the same kind nest among rocks on the seashore. It is a precious food, which is condensed by the saliva of swallowed seaweed and undigested fish and shrimp.
Bird's Nest contains water-soluble protein, carbohydrates, calcium, phosphorus, iron, sodium, potassium, amino acids, hormones, epidermal growth factor and other chemical components. The hormones and epidermal growth factor contained in it.
Ancient bird's nest
In ancient times, only high officials, nobles and royalty could eat bird's nest. In fact, the history of China people eating bird's nest is not long. Since ancient times, it has only been an exotic product overseas.
Bird's nest began to be imported in large quantities in the Ming Dynasty, but people only regarded it as a kind of food. From the Zhou Dynasty to the early Qing Dynasty, there was no bird's nest in the precious food Babao. It was not until the middle and late Qing Dynasty that bird's nest was endowed with various magical effects.