Longan, officially named Longan, is a unique fruit tree in southern China, which has been planted for more than 2,000 years. The shape of the fruit is * * *, the shell is spherical, the meat is as small as a projectile, and it contains pulp. When the pulp is fresh, it is milky white, full of water and sweet as honey. After drying, it becomes dark green and elastic, which is called longan meat.
Longan fruit is a treasure among fruits, which contains many nutrients beneficial to human body. Can be used for fresh fruit, baking and canning, or processing Jackie Chan eye ointment. Longan ointment is a precious tonic in medicine.
Legend has it that the earliest longan tree grew from a crack in a big stone because its root was stuck by a big stone. I had to go deep into the soil, and the roots absorbed the "essence" of the underground, and the fruit was particularly delicious.
nutritional ingredient
Longan pulp contains carbohydrates, protein, fat, crude fiber, vitamin C, nicotinic acid, vitamin K and other nutrients, as well as trace elements such as ash, calcium and phosphorus. Among them, the content of nicotinic acid and vitamin K is very high, which is rare in other fruits. Longan has a high sugar content, including glucose that can be directly absorbed by the human body.
Health care efficacy
Warm and sweet.
Scientists at home and abroad have found that there is a flavoprotein-brain B monoamine oxidase in human body, abbreviated as MA0-B, which is closely related to the aging of antibodies, that is, the increase of its activity can accelerate the aging process. Animal experiments show that the longan extract has a strong inhibitory effect on MAO-B activity in the brain and liver of mice in vitro. Some scholars believe that longan pulp may become a potential anti-aging food with MAO-B inhibitory activity.
Because longan meat is rich in glucose, sucrose, tartaric acid, vitamin A, vitamin B and other substances. These substances can nourish nerves and brain tissues, thus regulating the function of cerebral cortex, and have obvious curative effects on palpitation, dizziness, insomnia, neurasthenia, forgetfulness, memory loss and so on caused by tension or anemia or excessive thinking.
Longan also has a certain therapeutic effect on diseases such as deficiency of qi and blood in the elderly, weakness of postpartum women and anemia caused by malnutrition.
Longan has a nourishing effect, and it has an auxiliary effect on people who need to be nursed back to health after illness and have a weak constitution. It is also a rare anti-aging food. Longan can inhibit uterine cancer cells by more than 90%. Female menopause is the stage of gynecological tumor. Eating longan properly is good for your health.
Longan can make women ruddy and plump, and it is the most commonly used ingredient for breast enhancement in ancient times.
Applicable people
Weak people and women are the best to eat. About 5 capsules a day.
Pregnant women had better not eat longan, it doesn't matter if they eat it occasionally!
Nutrition trap
Longan should be eaten fresh as a fruit, and stale fruit should not be eaten.
Longan is a warm food, and it is easy to stagnate if you eat too much. People with inflammatory symptoms of "getting angry" should not eat it.
Nutritional diet
Raw longan meat will lead to abdominal distension and indigestion, while steamed longan meat will have a good effect as a snack, and stewing with tonic can enhance the nourishing effect. If you eat it for a long time, you can brew it with boiling water and drink it as tea, or you can add some tea to soak it together. Folk people have the habit of stewed chicken with longan, angelica and wolfberry or boiled longan eggs to enrich blood and nourish blood. Longan can also be processed into dried fruit, canned food, fried paste and so on. Longan products are all good dietotherapy products, which are good for health.
① longan mulberry rabbit soup
Raw materials: 250g of rabbit meat, 30g of longan meat, 0/5g of mulberry seeds/kloc-and 0/5g of medlar/kloc-.
Methods: ① Wash longan (denuded), Lycium barbarum and mulberry; Wash without meat, cut into pieces, and drag blood with boiling water. (2) Put all the ingredients together in a pot, add a proper amount of water, boil with strong fire, stew with low fire for 2-3 hours, and season. Drink according to the quantity.
② Lotus seed longan quail egg syrup
Ingredients: 4 quail eggs, lotus seeds 15g, longan meat 10g, and proper amount of sugar.
Methods: ① remove the heart of lotus seeds, wash and soak for half an hour; Wash longan meat, cook quail eggs, shell and wash. (2) Put all the ingredients together in a pot, add a proper amount of water, boil with strong fire, and simmer for 30 minutes. Add sugar and bring to a boil. Drink according to the quantity.
Efficacy: sweet and delicious. Nourish blood and soothe the nerves.
A little knowledge:
Pay attention to distinguish it from crazy fruit when buying it. Crazy fruit, also known as Longli, is poisonous. Its shell is smoother than longan, there is no real longan scale shell, the pulp is sticky and not easy to peel off, and it is not as tough as longan, only a little bitter and sweet.
2. How to choose longan?
Sweet, warm and nontoxic. Contains protein, fat, glucose, sucrose, vitamins (A, B, C), acids and various minerals; The stone 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, stopping sweating, stopping diarrhea, moistening the lungs and relieving cough. It is suitable for anemia, shortness of breath, palpitation, insomnia, amnesia, neurasthenia, physical weakness after illness, intestinal wind bleeding, 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 drug for invigorating spleen and improving intelligence. Fresh longan eaten raw can nourish the five internal organs. All patients with yin deficiency, less body fluid, heart heat, dry mouth and throat, and less cough and phlegm can be used as a good diet therapy. The nourishing power of longan meat is stronger than that of red dates, and it is of great benefit for pregnant women to eat egg longan soup to replenish qi and blood. Women with neurasthenia and menopause suffer from insomnia, forgetfulness, anxiety and sweating, and eat well. Longan meat can not only replenish qi, but also nourish blood. It can not only strengthen the spleen and replenish qi, but also protect the blood from being consumed. It has the function of moistening, so it is often used as a tonic for tonifying deficiency and helping the weak, postpartum and after illness, which 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 hemorrhage, hernia, lymphoid tuberculosis, scabies and wet sores. Longan shell is sweet, warm and non-toxic, and has the effects of expelling pathogenic wind and improving eyesight. It can be used to treat dizziness, scald and water injury, and persistent carbuncle. Longan tree radically cures filariasis and leucorrhea; Dzi cures all diseases; Longan leaves are suitable for trauma and have hemostatic and anti-inflammatory effects.
Longan, also known as longan, is popular and has round eyes. It is generally believed that longan has better nourishing effect than litchi, because litchi is hot and longan is flat. However, people with excessive deficiency fire, cold, indigestion and pregnant women should not eat it. To buy authentic Putian and Nan 'an Longan, you must master the following identification knowledge:
Look at the selection of longan, first look at its shape. Putian longan has large particles, yellow-brown shell, smooth surface, thin and brittle. Longan produced in other places has small particles and rough shell surface.
Putian longan is shaken because its meat is thick and the gap between the meat and the shell is small, so it doesn't ring when it is shaken. 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, soft and sweet. Longan from other places tastes much worse.
3. What is the common sense of longan identification?
The common sense of longan identification is as follows: 1. Look at that.
Longan is characterized by large particles, thick meat, round, white and soft meat, transparent or translucent, and sweet taste. If there are white spots on the shell surface or pedicle end of longan, it means that the meat quality has begun to mold; Several white moldy flowers appeared on the shell, and the meat was slightly moldy; White mold has many flowers and heavy meat, so it is inedible.
Pour longan on the table, longan has high sugar content, and the shell, meat and core are connected together, so it is not easy to roll on the plane; Poor quality is easy to roll. 2? Pinch.
Pinch the fruit with three fingers. If the shell is hard, it means that the fruit is raw and immature. If you feel soft and elastic, it is a mature feature; If it is soft and inelastic, it is overcooked and will soon go bad. 3? Peel.
When longan is peeled by hand, the meat core is easy to separate, and the meat is soft and not sticky. If the meat heart is not easy to separate, the dried meat is hard or the heart is reddish, and the quality is poor.
4. Selection of longan
Longan, also known as longan, is vulgar and has round eyes. It is generally believed that longan has a better nourishing effect than litchi, because litchi is hot and longan is flat. However, people with excessive deficiency fire, cold, indigestion and pregnant women should not eat it. To buy longan, you should master the following identification knowledge:
First, choose longan, first look at its shape. Longan has large particles, yellow-brown shell, smooth surface, thin and brittle.
Second, longan is thick, the gap between meat and shell is small, and it doesn't ring when shaking. If the longan makes noise when shaking, it is probably not a good longan.
Third, pick a longan and peel it. Longan meat is yellow and bright, crisp and soft, and tastes sweet. Without longan, it tastes much worse.
5. Common sense of enriching blood
Common sense of enriching blood
Jujube should not be eaten for a long time to enrich blood: although jujube is good for enriching blood, it should not be eaten for a long time, otherwise the stomach will easily flatulence. Anemia patients had better not drink tea. When eating iron-containing foods to replenish blood, try not to drink milk or take drugs that neutralize stomach acid.
Jujube should not be eaten for a long time to enrich blood: although jujube is good for enriching blood, it should not be eaten for a long time, otherwise the stomach will be prone to flatulence, and it is enough to eat it 2~3 times a week.
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People with anemia had better not drink tea: drinking more tea will aggravate the symptoms of anemia, because iron in food is easy to combine with tannic acid in tea to form insoluble iron tannic acid, which hinders the absorption of iron. health
Iron-containing foods should not be eaten with milk: if iron-containing foods are eaten with milk and some drugs that neutralize stomach acid, it will hinder the absorption of iron. Therefore, when eating iron-containing foods to replenish blood, try not to drink milk or take drugs that neutralize stomach acid. Road to health
Tips for Treating Anemia and Enriching Blood is edited by Net. Please indicate the source and link.
Related health knowledge: health tips for treating anemia and enriching blood
6. What is the function of longan?
Longan: soothe the nerves and cure insomnia, forgetfulness and fright.
Has the effects of nourishing body, tranquilizing mind, nourishing blood, strengthening yang, invigorating spleen, stimulating appetite, moistening skin and caring skin. Longan has a high sugar content and contains glucose that can be directly absorbed by the human body. Weakness, anemia, old age and infirmity, long illness, eating longan often is very beneficial. Longan is also an important tonic food for women after childbirth.
Longan has the effects of benefiting qi and nourishing blood, strengthening the spleen and nourishing the heart, so it is called "the god of fruit". Longan meat is sweet and warm, and it enters the heart and spleen meridian. It is suitable for patients with deficiency of both heart and spleen and deficiency of both qi and blood.
Chinese medicine believes that the heart governs blood vessels and consciousness, which is related to mental and conscious thinking activities. Spleen is the biochemical source of acquired qi and blood, providing nutrition for the whole body.
If people think too much, it will lead to palpitation, insomnia, forgetfulness, mental fatigue and other symptoms. Longan meat is warm, nourishing, enters the heart and spleen, has good effect, nourishes the heart and spleen, is sweet and delicious, and is not greasy or stuffy. It's really a good product for nourishing the heart and strengthening the spleen.
Long-term illness, physical weakness or aging often lead to deficiency of qi and blood, which is characterized by pale or sallow face, mental fatigue, palpitation and shortness of breath. Longan meat not only tonifies the heart and spleen, but also benefits qi and blood, which is sweet and has good curative effect. Modern medical research has confirmed that longan meat contains protein, fat, sugar, organic acids, crude fiber and various vitamins and minerals.
Arillus longan can inhibit lipid peroxidation and increase the activity of antioxidant enzymes, suggesting that it has certain anti-aging effect. Longan * * * has the functions of improving immune function, inhibiting tumor cells, reducing blood lipid, increasing coronary blood flow and strengthening physique.
7. What are the health benefits of longan?
Longan belongs to the mature fruit of longan, a plant of Sapindaceae.
Alias puzzle, honey spleen longan. Sexual taste is sweet; Enter the heart, liver, spleen and kidney meridians.
Functions: Benefiting the heart and spleen, nourishing qi and blood, calming the heart and calming the nerves. Indications are fatigue, palpitation, insomnia, amnesia, diarrhea due to spleen deficiency, postpartum edema, mental fatigue, spontaneous sweating and night sweats.
Every 1OO (dry product) contains 26.9g of water, 5g of protein, 0.2g of fat, 65.4g of carbohydrate, 283kcal of heat, 0.6g of crude fiber, 30mg of ash 1.9g of calcium, 0/18mg of phosphorus. Therapeutic effect 1. Tonifying qi and blood and enhancing memory Longan is rich in glucose, sucrose and protein. Its iron content is also high, which can improve heat energy, supplement nutrition and promote hemoglobin regeneration and blood supplement.
Experimental research shows that longan meat is beneficial to the whole body, especially to brain cells, which can enhance memory and eliminate fatigue. 2. soothe the nerves Zhi Ding longan contains a lot of iron, potassium and other elements, which can promote the regeneration of hemoglobin to treat palpitation, palpitation, insomnia and amnesia caused by anemia.
Longan contains nicotinic acid as high as 2.5 mg (100g), which can be used to treat dermatitis, diarrhea, dementia and even mental disorders caused by nicotinic acid deficiency. 3. Nourishing blood and preventing miscarriage longan contains more iron and vitamins, which can reduce the feeling of uterine contraction and sagging, help pregnant women and fetuses accelerate the development of metabolism, and have the effect of preventing miscarriage.
4. Animal experiments of antibacterial and cancer cell inhibition show that longan can inhibit JTC-26 tumor by more than 90%, and has a certain inhibitory effect on cancer cells. Oral longan extract can improve symptoms by 90% and prolong life by about 80% for cancer patients.
In addition, longan water extract (1∶2) has inhibitory effect on Microsporum longan cultured in vitro. 5. Lowering blood lipids, protecting the heart and delaying aging Longan meat can lower blood lipids and increase coronary blood flow.
It has a strong inhibitory effect on flavoprotein-brain monoamine oxidase B (MAO-B) closely related to the aging process. Health recipes 1. 250g longan chicken, 1 fat chicken.
Wash the longan meat, slaughter the chicken, remove the hair, break the belly to remove impurities, chop off the chicken feet, put them in boiling water, take them out, and then rinse them with clear water. Put the casserole on fire, add water, chicken essence and cooking wine, cook until it is 80% cooked, then add longan meat, white soy sauce and refined salt, and simmer for about 30 minutes.
This kind of chicken has the effects of invigorating heart and spleen, benefiting qi and blood, tonifying kidney and replenishing essence. It is suitable for deficiency of qi and blood, diarrhea and edema due to spleen deficiency, nocturnal emission due to kidney deficiency, postpartum hypogalactia, and chronic illness.
Patient-free food nourishes and strengthens the brain. 2. Yangxue ointment: longan pulp100g, black sesame 40g, black mulberry 50g, Polygonatum odoratum 30g, and proper amount of honey.
Soak the above four materials in water for 1 hour, then decoct with slow fire, and take juice for 1 time every half hour, ***3 times; Concentrate the received juice to paste with low fire, add 1 spoon honey, boil it slightly, then stop fire and wait for cooling. Take 1~2 spoonfuls each time with boiled water.
The ointment has the effects of invigorating spleen and qi, enriching blood and nourishing liver, and is suitable for anemia patients to take frequently. 3. longan pig bone marrow soup 50 grams of longan meat, 500 grams of pig spine and 500 grams of mullet.
Firstly, the longan is shelled, the meat is washed, the spines of pigs with marrow are chopped, and the poultry and fish are washed and cut into pieces; Put the ingredients into the pot, add water for a long time, add salt to taste and serve. This soup has the effect of nourishing and strengthening body resistance, and is suitable for people who are weak and sick after cancer surgery.
4. Longan egg soup Longan 1 00g, eggs1piece, and appropriate amount of brown sugar. Shell longan, add warm boiled water, add appropriate amount of brown sugar, then beat the eggs on longan and steam in the pot for 10~20 minutes, preferably when the eggs are cooked.
Steamed eggs and longan are taken with soup, l~2 times a day for 7~ 10 days. This prescription has the effect of nourishing blood and preventing miscarriage, and is suitable for pregnant women in the middle and late stages.
Precautions: longan is sweet and greasy, so those who stop drinking with fire and dampness should use it with caution. Selected Works of Shennong's Materia Medica: "Governing the five internal organs, calming the heart and calming the nerves, anorexia, long-term service, strengthening the soul and improving intelligence."
Kaibao Materia Medica: "You can learn to play cards." Herbal Medicine in Southern Yunnan: "Nourish blood and soothe the nerves, increase wisdom and sweat, stimulate appetite and strengthen the spleen."
Depei Materia Medica: "Benefiting the spleen and stomach, applying painstaking efforts, moistening the five internal organs and treating palpitations." Quanzhou materia medica: "strengthening yang and benefiting qi, nourishing spleen and stomach, treating postpartum edema, edema due to qi deficiency and diarrhea due to spleen deficiency."
Cultural appreciation. "Han Ji Dong Guan": "South Khan came to North Korea and gave jade, oranges, longan and lychees."
Song of Su Song. According to Compendium of Materia Medica, longan was often presented to the South China Sea in Han Dynasty, which caused great harm to people.
Tang Qiang, the leader of Linwu, wrote a letter. And the emperor thinks he will stop it. "
Li Mingshi said, "Litchi is expensive, and longan is nourishing." Therefore, longan, which is "delicate and lovely, as sweet as honey", can be as famous as litchi.
8. Common sense of eight-treasure porridge
The raw materials of dietotherapy eight-treasure porridge: longan pulp 10g, tremella fuciformis 10g, Polygonatum odoratum 15g, Lycium barbarum 10g, five lotus seeds, five jujubes, raisins 10g and 30g of japonica rice.
Production method: firstly, the lotus seeds and Polygonatum odoratum are heated and boiled, then the other six raw materials are put into a pot, heated and boiled until porridge is formed, and then they can be eaten. 2) Processing of corn eight-treasure porridge Corn porridge is a kind of special food in Northeast China, which is made from corn kernels (hereinafter referred to as corn kernels) with peeled navel and kidney beans.
Eight-treasure porridge is a nutritional and health food based on corn porridge, with red dates, peanuts, black beans, pumpkin pieces, fungus, longan and so on. It has the characteristics of balanced nutrition and nourishing the body, and is an auxiliary food for treating cardiovascular and cerebrovascular diseases and diabetes. 1. Raw material formula: corn kernels140g, auricularia auricula16g, kidney beans 20g, black beans 20g, peanuts 20g, pumpkin pieces 40g, red dates 2-6, longan 4-6 and water 3.5kg..
2. Technological process: soaking corn kernels, peanuts, black beans and kidney beans-adding water for high-pressure boiling-adding pumpkin pieces-boiling red dates-adding auricularia auricula pieces and longan pieces for boiling-canning-sterilization-product. 3. Operation points ① Selection and treatment of raw materials: red dates should be bright in color, thick in meat and free from mildew. Corn kernels, black beans, kidney beans, peanuts and pumpkins are all newly produced in that year, requiring no pollution, no mildew, no insects and no impurities.
Soak black beans, kidney beans and peanuts for 12h (hours) and then wash them; Wash pumpkin pulp and cut it into cubes of 1cmx 1cm; Wash the corn kernels for later use. Black fungus is selected from high-quality dried products in Northeast China, which requires no impurities and mildew. Soak in clear water, fully absorb water and swell, then wash and cut into pieces. Longan, if you use fresh fruit, you should choose the one with big fruit and thick meat; If you use dried longan, you should choose dried longan with normal color, no mildew and no moth, peel and core, and then cut into pieces.
(2) Cooking, filling and sterilization: in order to make all kinds of raw materials in porridge reach the best state of being cooked but not rotten and neat in appearance, the method of step-by-step cooking should be adopted; At the same time, all processes need to be stirred to avoid bottom paste. Mix the processed corn kernels, black beans, kidney beans and peanuts, add 3.5 kg of water and cook for 30 minutes: add pumpkin pieces and jujube pieces and continue cooking for 20 minutes; Finally, add wet auricularia slices and longan meat and cook for 5 minutes.
After canning, it is sterilized in 12 1℃ steam for 30 seconds, and the storage life of canned food can reach 2 years. 3 "Eight-treasure porridge for invigorating spleen and nourishing stomach [raw materials] 6 grams of Gordon Euryale seed, coix seed, white hyacinth bean, lotus seed meat, yam, red date, longan and lily, and 0/50 gram of japonica rice/kloc [practice] First take the above eight medicines and boil them for 40 minutes, then add rice to continue to cook the porridge.
[Usage] Mix sugar at different times and eat for several days. 【 Function 】 Strengthen the spleen and stomach, replenish qi and kidney, nourish blood and soothe the nerves.
It is suitable for insomnia, asthenia, swelling, diarrhea, thirst, cough and scanty phlegm. [Opinion] The supermarket sells eight-treasure porridge. Warm clothing has a good effect, and healthy people can keep fit.
4 "Eight-treasure porridge materials: glutinous rice 1 spoon, red beans 1 spoon, mung beans 1 spoon, raisins 10. Practice: 1. Wash all the materials. 2. Except raisins, add 1-2 bowls of water to the pot and simmer.
Note: It is suitable for children aged10.5. The raw materials of Black Glutinous Rice Eight-treasure Porridge are black glutinous rice, white glutinous rice, oats, red dates, medlar, pine nuts, lotus seeds, longan and rock sugar. Practice: 1. Lycium barbarum, oats and lotus seeds are soaked in warm water. 2. Put all the raw materials into the casserole, add appropriate amount of water and rock sugar, and simmer for about 90 minutes.
Coarse-grain dried fruit "eight-treasure porridge" is the best carrier for daily consumption of various coarse-grain dried fruits. The beauty of black and white glutinous rice is that it contains a lot of waxy starch polysaccharide, which can keep the nutritional raw materials needed by the lower intestine. 6 "Eight-treasure porridge material: half a cup of glutinous rice, 1/3 cup of coix seed13 cup of red beans13 cup, a little longan meat, 60 grams of lotus seeds, 2 cups of clear water 12 cups, and a little sugar.
Practice: 1. Wash Coicis Semen and red beans and soak them in water until soft. 2. Wash the glutinous rice for later use. 3. Coicis Semen and red beans are boiled in 12 cup of water for about 20 minutes. 4. Add lotus seeds, glutinous rice and longan to the pot and continue to cook until cooked. 5. Add sugar to porridge to make 7 "Jingu eight-treasure porridge": main ingredient: longan. Features: bright color, soft and sweet, fragrant and attractive, smooth but not greasy. Functions: supplementing iron, enriching blood, benefiting qi and calming the nerves.
How to eat: add 5 to 10 times of water and cook slowly with slow fire. You can add sugar and fold milk according to your own taste when eating.
8) Anti-cancer Eight-treasure Porridge in Jingsha, Hubei Province, 195, 15 Retired old Chinese medicine practitioners jointly launched the initiative of "Dedicating society, and everyone donating ancestral secret recipes". After demonstrating more than 20 secret recipes, a medicated diet with anticancer effect was screened out. Its raw materials are sold all over the country, and the production is simple. According to the appraisal of local experts, this kind of medicine and food combines science, has no toxic and side effects, has obvious anti-cancer effect and is easy for patients to adhere to.
Raw materials: soybean 100g, corn 100g, tremella 50g, jujube 9, shiitake mushroom 9, lotus seed 50g, medlar 30g, and proper amount of honey. Production method: 1. Put tremella and Lentinus edodes into a bowl, soak them in boiling water, cool them, remove their pedicels and drain them.
2. Wash soybeans, corn, jujube, lotus seeds and medlar with cold water, put them in a casserole with tremella and mushrooms, simmer in cold water and cook them into porridge. How to take it: Mix honey into porridge and take it three times every morning 1 time.
Efficacy: not only has the function of strengthening the body, but also has the function of preventing cancer (especially for lung cancer, esophageal cancer, gastric cancer, intestinal cancer, breast cancer, prostate cancer, etc. ) and anti-aging effect.