Introduction of bird's nest knowledge: Bird's nest for the swiftlet family animals Golden Swallow and a variety of the same genus of swiftlets with saliva and down feathers and other mixed congealed nests, shaped like a treasure, the nest outer wall of the dense filaments by the crossbar piled up into an irregular prismatic protrusion, the nest of the inner wall of the filaments weaved into an irregular mesh, the nest of the bowl root but solid, the ends of the small fall angle, generally 6 ~ 7 cm in diameter, 3 ~ 4 cm deep. It is mainly produced in China's South China Sea islands and Southeast Asian countries. Bird's nests can be categorized into three types depending on the time of collection. 1. White Bird's Nest: The first nest made by swiftlet for egg laying and brood rearing, which is composed entirely of saliva. It is white and transparent, with large wall thickness and high hair growth rate, which is the best bird's nest and was once listed as tribute in ancient times, so it is also known as Palace Bird's Nest. 2. Hairy Bird's Nest: The second nest made by the swiftlet, due to the consumption of saliva, the swiftlet has to use its downy hair and saliva to build the nest. There are more black hairs mixed in the nest wall, which is of lower quality. 3. Blood Swallow: The third nest made by the swiftlet, at this time, the saliva is almost exhausted, so it has to use the small fish and seaweeds that it has just eaten and not yet digested to make a nest. The nest is mixed with blood filaments, small, thin walled, hairy and with the worst texture. Bird's nest is highly nutritious, containing 50% protein, 30% sugar and some minerals. The bird's nest can be steamed and made into soup, such as: steamed capsule, clear soup with bird's nest, ice sugar bird's nest, or bird's nest and pigeon egg soup. Bird's nests with big walls, small roots and feet, few feathers, thick ribs and bars, and white and lustrous color are the best. The main ingredients of bird's nest are essential proteins, nitrogenous substances, dietary fiber, minerals, vitamins and unique epidermal growth factors, which have a very good nourishing effect. Nutritional analysis of bird's nest: bird's nest contains hormones that promote cell division and epidermal growth factor, can promote cell regeneration, enhance immune system, increase the body's resistance to X-ray and other radiation damage, bird's nest unique protein components and a large number of biologically active molecules contribute to the growth and development of human tissues, recovery from illness, can nourish yin, moistening dryness, nourishing the face, delay aging, and clearing the deficiency of heat, treating the deficiency of loss of hemoptysis and vomiting of blood, It is effective in treating diseases such as hemoptysis and vomiting of blood, prolonged cough and phlegm wheezing, and deficiency of yin and fever, which lead to loss of fluid. Additional information on Bird's Nest: Bird's Nest: A look: Bird's Nest should have a filamentous structure, and a piece of bird's nest is not a piece of bird's nest. Two pulls: Take a small piece of bird's nest and soak it in water, take the silk strip and pull it after it is softened, the elasticity is poor, and the one that breaks when you pull it is a fake; rub it with your fingers, and the one that has no elasticity and can be rubbed into a paste is a fake. Bird's nest is suitable for people of all ages. 1. It is suitable for the elderly, the weak, postpartum or breastfeeding women and ladies who love beauty. 2. 2. Children should be cautious of eating it; people with cold lungs and stomach, dampness and phlegm stagnation, and those who have funerary evils should avoid using it. Therapeutic effect of bird's nest: Bird's nest is sweet in taste and flat in nature, and enters the lung, spleen and kidney meridians; it can nourish yin and moisten dryness, benefit qi and tonify the middle; it is mainly used in treating deficiency, tubercular infection, cough with phlegm and wheezing, haemoptysis, hematemesis, vomiting of blood, prolonged dysentery, prolonged malaria, choking and regurgitation of stomach. Bird's nest should be stewed in water over moderate heat. Stew it in soup, or make dishes and medicinal meals. Soak in warm water to remove feathers, blood and impurities before eating. Bird's nest is calm in nature and slow to penetrate, so it needs to be taken consistently to have a magical effect.

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