When the summer solstice meets the litchi

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June 21 is the summer solstice solar term. At the beginning of the summer solstice, although the weather is getting hotter, the yin is quietly born from the ground. At this time, consumption of litchi can protect the body's yang.

｜ Ding Wenjun ｜

Litchi flavor sweet medicine and food has specialties

Litchi is rich in nutrition, with high vitamin C content, and its sugar content is about 16%. It also contains a large amount of biological active ingredients such as phenoloid flavonoids. It can remove excess free radicals and have antioxidant functions.

Litchi contains polyphenol compounds, which can effectively play the role of blood sugar lowering, and it also has a strong radiation prevention effect. The flavonoids of litchi have inhibitory effects on lung cancer, liver cancer, breast cancer, and cervical cancer.

Litchi is easy to deteriorate and keep fresh

After picking, the lychee is very easy to deteriorate. According to modern technology conditions, the fresh litchi is placed in a plastic packaging bag and stored at 8 ° C at a low temperature of 8 ° C. It can delay the brown change and moisture loss of its peel, which can make the freshness of the litchi reach 25 days.

The freezing point of lychee fruits is between -2.14 ℃ ～ -2.87 ℃. The use of -1 ℃ iced temperature storage can significantly inhibit the activity of the respiratory rate of lychee fruits and the activity of enzymes such as polyphenol oxidase, and ginselidinase to delay the nutritional nutrition of the flesh The loss of the ingredients and the browning of the peel can keep the litchi fresh for 60 days.

Litchi Mo Globe Beware of Litchi Diseases

Litchi disease is an acute disease caused by excessive consumption of lychee induce hypoglycemia. It is more common in children and is susceptible to onset in the early morning. Its clinical manifestations are mainly symptoms of hypoglycemia, and during severe cases, lethargy, coma, convulsions, and even death occur.

When a suspected litchi disease occurs, the emergency measures are to drink thick sugar water immediately and seek medical treatment in time.

In order to prevent lychee disease, it is recommended not to eat litchi on an empty stomach. When eating lychee, it should be limited. Adults should not eat lychee daily for not exceeding 300 grams. Children's lychee consumption should be reduced accordingly. It is advisable to not exceed 5.

(The author is Secretary -General of Dalian Nutrition Society and Executive Deputy Director of Nutrition Department of the First Affiliated Hospital of Dalian Medical University)

Edit ｜ Li Dan

School Division | Li Yanan Gao Xuan

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