In addition to its tonic effect on the whole body, longan is also particularly effective on brain cells, enhancing memory and eliminating fatigue. The tonic effect of longan has an adjunctive therapeutic effect on those who need to be recuperated after illnesses and those who have a weak constitution, and it is also effective for those who suffer from loss of appetite and swelling.

Dyspepsia, tongue is thick and greasy, throat red and swollen, and Yin deficiency of internal heat, these people are generally not recommended to eat longan, is often said to be on fire symptoms. In addition for some obesity, diabetes and some three high metabolic syndrome patients, also not recommended to eat longan such high glycemic index fruit.

Longan is relatively high in sugar, so it is rich in sugar like glucose, sucrose, and protein and other nutrients, and others like riboflavin, potassium, magnesium, phosphorus, selenium, and other content is also very prominent. There are also many like tartaric acid, niacin, choline, protein, dietary fiber and so on, some organic acids, trace elements are also more, iron content is also relatively high, can provide a relatively high caloric energy, replenishment of nutrients, and at the same time can promote the body's regeneration of hemoglobin, so as to achieve a blood replenishment effect.

Expanded Information

When buying longan, first look at its appearance. Longan particles are large, shell color yellow-brown, shell surface is smooth, thin and brittle. Longan because of its fat meat, meat and shell between the gap is small, shaking when not. If the sound of cinnamon occurs when shaking, such cinnamon is not good because it has little meat and a big nucleus. Pick a grain of cinnamon peeled taste, cinnamon meat color yellow bright, crisp texture soft glutinous, taste thick sweet is good.

Purchase back, do not wash, directly into the refrigerator to save, can be stored for 2 ~ 3 days. Cinnamon is high in sugar and is prone to mold and insects, so it's best to keep it completely sealed and refrigerated, or in a cool, dry place.

Baidu Encyclopedia - Longan (Sapotaceae)

People's Daily Online - Longan can replenish qi and nourish the heart and relieve anxiety, but it is not suitable for everyone