composition and nutritional value of longan

composition and nutritional value of longan are common in life, and it is a very good fruit for invigorating qi and enriching blood. However, it is warm in nature and easy to get angry if you eat too much, so even if you like to eat it, you should be moderate. Let's take a look at the composition and nutritional value of longan. Composition and nutritional value of longan 1

Composition of longan

Longyan is rich in nutrients. Longyan is a fruit with high sugar content. The nutritional components in 1g of Longyan are as follows: water 81.4g, carbohydrate 16.6g, protein 1.2g, dietary fiber .4g, fat .1g, ash .7g, carotene 2mg and vitamin A: Riboflavin .14 mg, niacin 1.3 mg, vitamin C：43 mg, potassium 248 mg, phosphorus 3 mg, magnesium 1 mg, calcium 6 mg, sodium 3.9 mg, zinc .4 mg, iron .2 mg, copper .1 mg, manganese .7 mg, selenium .83 μ g, and heat 71 kcal.

There are many kinds of amino acids in dragon's eyes. The amino acids in 1 grams of dragon's eyes are as follows: glutamic acid 178 mg, aspartic acid 156 mg, alanine 17 mg, threonine 98 mg, arginine 58 mg, proline 58 mg, serine 5 mg, valine 47 mg, leucine 45 mg, lysine 37 mg, glycine 34 mg, histidine 31 mg, tyrosine 28 mg and isoleucine 28 mg.

The efficacy and function of longan

1. Enriching blood and benefiting qi

In the view of traditional Chinese medicine, longan is sweet and warm, centering on the heart and spleen meridian. The dragon's eyes are rich in glucose and iron, and these nutrients are easy to be digested and absorbed by human body. Iron can promote the synthesis of hemoglobin in human body, relieve the symptoms of iron deficiency anemia and improve the symptoms of yellow complexion. Therefore, eating longan can replenish blood and qi.

2. Nourishing the heart and improving intelligence

According to Chinese medicine, longan has the effect of nourishing the heart and spleen. The dragon's eyes are rich in potassium, iron and other elements, so it is beneficial to the heart. Longan is called "puzzle" in A Book of Famous Doctors, and it is recorded in Shennong's Herbal Classic that "Long-term service strengthens the soul and wisdom, and the intellectual man is not old, so eating longan has the effect of nourishing the heart and puzzle."

3. Nourishing the body

The dragon's eyes are rich in nutrients, which is called "the divine product in the fruit". Li Shizhen also recorded in Compendium of Materia Medica that "litchi is the most valuable food, while longan is the best for the benefit", which means that longan is a precious food for nourishing the body.

4. Beauty care

Dragon eyes contain a natural substance similar to collagen, which can be quickly absorbed and utilized by skin cells after being ingested by human body, and this substance can increase the elasticity of skin and play an anti-aging role after being absorbed and utilized by skin cells. Composition and nutritional value of longan 2

Efficacy and function of longan

Nourishing blood and calming nerves

Longan is sweet in taste, enters the spleen, channels the heart, has the effects of nourishing the heart and spleen, nourishing blood and calming the nerves, and has curative effects on anorexia, insomnia, amnesia and edema.

Yizhi Ningxin

Litchi is the most expensive longan food, while nourishing longan is the best. Longan is sweet in flesh, slightly warming, invigorating the heart and qi, stimulating appetite and strengthening the spleen, nourishing blood and calming the nerves, and has the spirit of nourishing and strengthening.

Anti-aging

Longan can refresh the spirit, and it has no side effects. Longan contains a variety of vitamins, which can nourish the brain and keep fit, and delay aging. It can also treat anemia, chlorosis and neurasthenia.

Keeping out the cold and removing dampness

People often soak rice wine in longan meat, and drink it in winter and spring, which can keep out the cold, remove dampness and protect health. When glutinous rice porridge is made from longan meat, ginger, brown sugar and jujube, drinking a bowl will keep out the cold and warm the body.

improving complexion

longan is rich in nutrients such as iron, ascorbic acid and riboflavin. Women who eat longan properly can replenish blood and qi, increase the circulation of cardiovascular and cerebrovascular blood, and effectively relieve the symptoms of fatigue, chest tightness and shortness of breath. In particular, it contains a lot of iron, which can promote the regeneration of hemoglobin and effectively relieve symptoms such as pallor caused by deficiency of qi and blood, while ascorbic acid can resist the damage of free radicals to the skin and reduce pigmentation.

Tonifying blood and invigorating spleen

Longan belongs to the heart meridian, kidney meridian and spleen meridian as medicine, so proper eating of Longan can alleviate the symptoms such as loss of appetite, indigestion and loose stool caused by weakness of spleen and stomach, but people with strong liver fire or constipation and difficulty in defecation should not eat Longan too much to avoid aggravation of symptoms.

soothe the nerves and tonify the brain

If the yang is insufficient, symptoms such as palpitation, palpitation and chest tightness will appear. When dried longan is processed into medicine, it can return to the heart and spleen meridians. Therefore, people who are careful of yang deficiency and spleen yang deficiency can eat longan pulp, which can soothe the nerves to a certain extent and effectively improve symptoms such as excessive anxiety, forgetfulness, palpitation, insomnia and neurasthenia. Composition and nutritional value of longan 3

nutritional value

1. Longan is rich in glucose, sucrose, protein, vitamins and minerals, among which the contents of nicotinic acid and vitamin K are rare in other fruits.

2. The nutritional value of longan is among the best among fruits, and it has been regarded as an excellent tonic since ancient times.

Edible efficacy

1. Nourishing the brain and calming the nerves: nourishing the heart and spleen, calming the nerves, and treating insomnia, forgetfulness and fright.

2. Inhibition of uterine fibroids: Women's menopause is a stage where gynecological tumors are prone to occur. Eating longan properly is good for health.

3. Recovering physical strength: Longan has a tonic effect, and it has an auxiliary effect on people who need to recuperate after illness and are weak.

Suitable crowd

It is especially suitable for the elderly, people with poor memory, people with dizziness and insomnia, and women.

Taboo people

Those who get angry and have inflammatory symptoms and avoid eating during pregnancy.

Tips for purchasing

1. The branches are complete: the longan connected with the branches is the first choice. The single longan that falls off has poor flavor, and the longan with few branches may be the product of insufficient nutrients in the growth process.

2. Peel color: black appearance indicates overripe or long storage time; In addition, the skin with a little fruit powder or the feeling of powder after gently rubbing it back and forth with your fingers represents freshness.

3. Fruits are full: those with complete, full and stiff fruits are better. When picking, you can gently press the fruits. Those who are too soft represent that the water sweetness is not enough. Or pick up the whole bunch of branches by hand and shake them gently. Those who have a good sense of drooping represent sufficient water.

4. Try it: If conditions permit, you can try it. Longan with translucent longan flesh and no juice overflowing when peeled and no film wrapped between fruit shells is better.