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What is the efficacy and function of longan?
Longan is not only good for the whole body, but also especially effective for brain cells, which can enhance memory and eliminate fatigue. The nourishing effect of longan has an auxiliary therapeutic effect on people who need to recuperate after illness, and has a certain curative effect on patients with loss of appetite and edema.

People with indigestion, thick and greasy tongue coating, sore throat and internal heat due to yin deficiency are generally not recommended to eat longan, which is often referred to as symptoms of getting angry. In addition, for some patients with obesity, diabetes and three high metabolic syndrome, longan and other fruits with high glycemic index are not recommended.

Longan has a high sugar content, so it is rich in glucose, sucrose and other nutrients, such as protein, and other contents such as riboflavin, potassium, magnesium, phosphorus and selenium are also outstanding. There are many other foods, such as tartaric acid, nicotinic acid, choline, protein and dietary fiber. Some organic acids and trace elements are also rich, and the iron content is also high, which can provide relatively high heat energy, supplement nutrition and promote the regeneration of hemoglobin in the body, thus achieving the effect of enriching blood.

Extended data

When buying longan, look at its shape first. Longan has large particles, yellow-brown shell, smooth surface, thin and brittle. Longan is thick, so the gap between the meat and the shell is very small, and it doesn't sound when shaking. If there is a noise when the longan shakes, it is not good to eat less longan meat. Pick an longan and peel it to taste. Longan meat is Huang Liang in color, crisp and soft, and sweet in taste.

Don't clean it after you buy it, just put it in the refrigerator for 2~3 days. Longan has a high sugar content and is prone to mildew and insects. It is best to completely seal and refrigerate, or put it in a cool and dry place.

Baidu Encyclopedia-Longan (Sapindaceae)

People's Network-Longan can invigorate qi, nourish the heart and calm the nerves, but it is not suitable for everyone.