Excuse me, what is bird's nest?

The practice and nutrition knowledge of bird's nest were introduced in detail. Alias: tips for using swallowtail, swallow root and swallowtail: dried products every time 10- 15g. Introduction to bird's nest knowledge: Bird's nest is a nest built by Jin Siyan, a swift animal, and many other swallows of the same genus, which looks like an ingot. The outer wall of the nest is made up of dense filaments with irregular ribs, and the inner wall of the nest is woven into an irregular mesh by filaments, but the root of the bowl is solid, with small falling angles at both ends, generally 6-7 cm in diameter and 3-4 cm in depth. Mainly produced in South China Sea Islands of China and Southeast Asian countries. Bird's nest can be divided into three types due to different collection time. 1. Bai Yan: The first nest made in Jin Siyan for laying eggs and brooding was made entirely of saliva. White and transparent, with large wall thickness and high rising rate, it is the top grade of bird's nest, which was listed as a tribute in ancient times, so it is also called Gong Yan. Mao Yan: The second nest was made in Jin Siyan, because saliva was consumed so much that Jin Siyan had to use fluff and saliva to build a nest. There are more black hairs mixed in the nest wall, and the quality is inferior. 3. Blood Swallow: The third nest made by Jin Siyan. At this time, the saliva was almost exhausted, so we had to make a nest with small fish and seaweed that had just been eaten and had not been digested. The nest is mixed with bloodshot, and a small wall is thin and hairy, with the worst texture. Bird's Nest is nutritious, containing 50% protein, 30% sugar and some minerals. The prepared bird's nest can be steamed and made into soup, such as steamed bird's nest, clear soup bird's nest, rock sugar bird's nest, or pigeon eggs soup. Bird's nest is the top grade with large bowl wall, small roots and feet, few feathers, thick tendons and bright white color. The main component of bird's nest is a variety of high-grade protein necessary for human body, which contains nitrogen, dietary fiber, minerals, vitamins and unique epidermal growth factor, and has a good nourishing and health-care function. Nutritional analysis of bird's nest: Bird's nest contains hormones and epidermal growth factors that promote cell division, which can promote cell regeneration, enhance immunity and increase the body's resistance to radiation damage such as X-rays. The unique protein components and a large number of bioactive molecules in bird's nest contribute to the growth and development of human tissues, rehabilitation after illness, nourishing yin and moistening dryness, caring skin, delaying aging, clearing away heat and deficiency, treating asthenia, causing fluid loss such as hemoptysis, hematemesis, chronic cough and asthma, and fever due to yin deficiency. Bird's nest supplementary information: bird's nest distinguishes between true and false: at first glance: bird's nest should be a filamentous structure, not a bird's nest composed of a block structure. Second pull: take a small piece of bird's nest and soak it in water. When it is soft, pull it with silk strips, which has poor elasticity. If it is pulled, it is a fake; Rubbing with your fingers is a fake that is inelastic and can be rubbed into a paste. Bird's nest is suitable for people: men, women and children. 1. Older people, people with weak constitution, postpartum or lactating women and women who love beauty are more suitable. 2. Children should be careful when eating; Deficiency of both lung and stomach, cold and dampness blocking phlegm, and mourning evil spirits are contraindicated. The dietotherapy function of bird's nest: bird's nest is sweet and flat, and enters the lung, spleen and kidney meridians; It can nourish yin and moisten dryness, replenish qi and tonify middle energizer; Indications: fatigue, tuberculosis, cough, excessive phlegm, asthma, hemoptysis, vomiting blood, chronic dysentery, chronic malaria, diaphragmatic choking and nausea. Guidance on bird's nest practice: it is advisable to stew it with slow fire. Stew soup, or cook dishes and medicinal meals. Soak in warm water before eating to remove feathers, blood and impurities. Bird's nest is mild in nature and slow in efficacy penetration, so it needs to be taken persistently to have a magical effect.