Longan, also known as longan, is warm and sweet, benefiting the heart and spleen, and replenishing qi and blood; Has good nourishing and tonifying effects. Can be used for insomnia, forgetfulness, fright, dizziness and other symptoms caused by deficiency of heart and spleen and deficiency of qi and blood. It can also be used to treat weakness or mental decline after illness. It is also suitable for women to make up after delivery. Li Shizhen recorded in Compendium of Materia Medica: "Litchi is the most expensive food, while longan is the best resource". I admire longan even more. According to pharmacological research, longan contains glucose, sucrose, vitamins A and B and other nutrients. It contains more protein, fat and various minerals. These nutrients are very necessary for the human body. Especially for those who work hard, it is more effective to consume sad temper and blood. The administration method is as follows:1.Take 10 longan every night before going to bed, which can nourish the heart and soothe the nerves and treat palpitation and insomnia. 2. Take meat from 30 longan, tear red dates 10, use japonica rice 1 00g, cook 2 bowls of porridge, add appropriate amount of brown sugar, and eat1bowl in the morning and evening. It can nourish the spleen and produce blood, nourish the heart and increase wisdom, especially for the elderly. 3. Take meat with longan 10 pieces every morning, boil 2 poached eggs, add appropriate amount of sugar, and eat on an empty stomach. Nourishing spleen and heart, generating blood and benefiting qi. 4. 200 grams of longan meat, 500 ml of sorghum white sprinkled, soaked 1 month. Drink15ml at bedtime every night. It can restore fatigue and soothe the nerves. The efficacy of longan Longan was called Longmu in ancient times, also known as longan, round eye, Fuyuan, Yizhi, etc., belonging to the genus Longan of Sapindaceae. Fresh longan pulp is milky white, translucent and sweet as honey. After drying, the pulp becomes dark brown and flexible, which is called longan meat, edible and medicinal. It contains nutrients such as sugar, protein and various vitamins, and is one of the delicious fruits that people like. Longan is rich in nutrients. Every100g of fresh longan contains protein1.2g, fat 0. 1 g, carbohydrate 0/6.2g, calcium13mg, phosphorus 26mg, iron 0.4mg and sulfur. The contents of protein, carbohydrates and minerals in dried products increased obviously, but the content of ascorbic acid decreased due to the influence of processing. Carbohydrate mainly exists in the form of glucose and sucrose, so it tastes sweet. In addition, it also contains substances such as adenine, choline and tartaric acid. Because it contains a lot of trace elements beneficial to human health, longan has long been a good medicine. Its main function is to soothe the nerves and treat insomnia, forgetfulness and fright. The ancients highly praised the nutritional value of longan, and many cursive books introduced the nourishing and health-care functions of this product. As early as the Han Dynasty, longan was used as medicine. "Bielu of Famous Doctors" called it "puzzle", saying that its function is to nourish the heart and puzzle. It has the effects of nourishing and strengthening the body, nourishing the heart and calming the nerves, nourishing blood and strengthening yang, benefiting the spleen, appetizing, moisturizing and beautifying. Longan has a high sugar content, and contains grape sugar that can be directly absorbed by the human body. It is very beneficial to eat longan often because of weakness, anemia, old age and long illness. Longan is also an important tonic food for women after delivery. The effect of longan is sweet, warm and non-toxic. Contains protein, fat, glucose, sucrose, vitamins (A, B, C), acids and various minerals; The core contains saponin, fat and tannin; The leaves contain quercetin, quercitrin and tannin. The pulp has the effects of benefiting the heart and spleen, nourishing qi and blood, improving intelligence, calming the heart, calming the nerves, arresting sweating, stopping diarrhea, moistening the lungs, relieving cough, etc. It is suitable for anemia, shortness of breath, palpitation, insomnia, amnesia, neurasthenia, postpartum weakness after illness, bleeding due to intestinal wind, diarrhea due to spleen deficiency, postpartum edema, etc. In short, Chinese medicine believes that longan is a good fruit for nourishing blood and heart, and it is an important medicine for benefiting spleen and wisdom. Fresh longan is eaten raw, which can produce body fluid and moisten the five internal organs. Any patient with yin deficiency, less body fluid, hot heart, dry mouth and throat, and less cough and phlegm can be used as a good food therapy. The nourishing power of longan meat is stronger than that of red dates, so it is of great benefit for pregnant women to eat egg longan soup to nourish qi and blood. Women with neurasthenia and menopause suffer from insomnia, forgetfulness, upset and sweating, and eat well. Longan meat not only nourishes qi and tonifies qi, but also nourishes blood. It can not only tonify spleen and strengthen qi, but also protect blood from consumption. It has the function of being sweet and moistening, so it is often used as a tonic for nourishing deficiency and helping the weak, postpartum and after illness, and it is very beneficial to the human body. Longan nucleus has the effects of regulating qi, eliminating dampness, stopping bleeding, and relieving pain, and is suitable for traumatic bleeding, hernia, scrofula, tinea scabies, and wet sores. Longan shell is sweet, warm and non-toxic, and has the functions of expelling wind and evil spirits, improving hearing and improving eyesight, and can be used to treat dizziness, scalding water injury and long-term unhealed carbuncle. Longan tree radically cures filariasis and leucorrhea; Dragon's eyesight cures all kinds of stranguria; Longan leaves are suitable for trauma and have hemostatic and anti-inflammatory effects. Longan, also known as longan, is popular and round-eyed. It is generally believed that longan has a better nourishing effect than litchi, because litchi is hot and longan is flat. However, those with excessive deficiency fire, those with cold, indigestion and pregnant women should not eat it. To buy authentic Putian and Nan 'an longan, you should master the following identification knowledge: Look at the shape of longan. Putian longan has large particles, yellow-brown shell color, smooth shell surface, thin and brittle. Longan produced in other places has smaller particles and rough shell surface. Shake Putian longan because its meat is thick, and the gap between the meat and the shell is small, so it doesn't ring when shaking. If the longan makes noise when shaking, it is probably not Putian longan. Pick a longan and peel it. Putian longan is Huang Liang in color, crisp and soft, and sweet in taste. Longan from other producing areas tastes much worse.