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What are the advantages and disadvantages of eating fresh longan?
Longan is actually what we usually call "longan". There are many advantages to eating longan, but it turns out that eating longan also has disadvantages. Longan is a tonic, but it depends on physical fitness. Some people are not suitable for eating longan, or avoid eating longan. What are the benefits of eating longan? Let's know before eating longan!

What are the benefits of eating longan?

Longan, commonly known as "longan", is a rare specialty in the south subtropical region of China. Historically, "longan" in the south and "ginseng" in the north. Longan fruit is rich in nutrition and has been loved by people since ancient times. It is regarded as a precious tonic, and its nourishing function is obvious.

The advantages of eating longan are:

1, Yiqi Buxue, Enhance Memory Longan is rich in glucose, sucrose, protein, etc., and its iron content is also high. It can improve heat energy and supplement nutrition, and at the same time promote hemoglobin regeneration to replenish blood. Experimental research shows that longan meat is beneficial to the whole body, especially to brain cells, which can enhance memory and eliminate fatigue.

2. Anshen Dingzhi Longan contains a lot of elements such as iron and potassium, which can promote the regeneration of hemoglobin to treat palpitation, palpitation, insomnia and forgetfulness caused by anemia. Longan contains niacin as high as 2.5 mg (per kloc-0/oo g), which can be used to treat dermatitis, diarrhea, dementia and even mental disorders caused by niacin deficiency.

3, nourishing blood and preventing miscarriage Longan contains more iron and vitamins, which can reduce contractions and sagging, which is beneficial to the development of pregnant women and fetuses who accelerate metabolism and has the effect of preventing miscarriage.

4. Antibacterial and cancer cell inhibiting animal experiments show that longan can inhibit JTC-26 tumor by more than 90%, and has a certain inhibitory effect on cancer cells. Oral administration of longan crude extract to cancer patients can improve symptoms by 90% and prolong life by about 80%. In addition, longan water immersion agent (1∶2) has inhibitory effect on Microsporum odoratum in vitro.

5, lowering blood fat and protecting the heart, delaying aging Longan meat can reduce blood fat and increase coronary blood flow. It has strong inhibitory effect on flavoprotein, which is closely related to the aging process.

Who is not suitable for eating longan?

1, because longan's eating habits are warm and moist, it is not suitable for those who have phlegm-dampness, stomach fire and wind-heat attacking the lungs;

2. People who have various inflammations such as warm body constitution, excessive fire due to yin deficiency, diabetes, painful carbuncle and furuncle, menorrhagia, urethritis, pelvic inflammatory disease and thick and greasy tongue coating should not eat;

3, children and adolescents should not eat more.

How to identify good longan?

1, longan is better with large particles, thick meat, round and symmetrical shape, white and soft meat, transparent or translucent, and sweet taste.

2. Pinch the fruit with three fingers. If the shell is hard, it indicates 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 over-mature and will soon deteriorate.

3. When longan is peeled by hand, the meat core is easy to separate, and the meat quality is soft and non-sticky. If the meat core is not easy to separate, the meat is hard or the core is reddish, the quality is poor.

4. If there are white spots on the surface or pedicle of longan, it means that the meat quality has begun to mold; A few white mold flowers appear on the shell, and the meat is slightly moldy; There are many white mold flowers, and the meat is heavy and not edible.

5, pour the longan on the table, the longan has high sugar content, the shell, the meat and the core are connected, and it is not easy to roll on the plane; Poor quality is easy to roll.