nutritive value
Sweet and delicious, containing starch 5 1 ~ 60%, protein 5.7- 10.7%, fat 2-7.4%, sugar, starch, crude fiber, carotene, vitamins A, B, B: C, calcium, phosphorus, potassium and other minerals, which can be absorbed and utilized by human body up to 98%. Calculated by ten grains, the calorie is 204 calories, and the fat content is less than 1 g, which is the lowest in the fruit with shell. Widely used in food processing, cooking banquets and non-staple food. Chestnuts are suitable for raw and fried. Sugar-fried chestnuts and roast chicken are delicious. They can be ground into powder or made into various dishes, cakes, cans and so on. Chestnut is easy to store and keep fresh, which can prolong the market supply time. Chestnut is mostly produced on hillside, which is called "healthy food" abroad, and belongs to the first-class fruit of invigorating stomach and kidney and prolonging life.
Other values
Chestnut is a treasure, which can be processed into dried chestnut, chestnut powder, chestnut sauce, chestnut pulp, cakes, canned food and so on. Chestnut soup is a kind of nutritious candy suitable for all ages. Chestnut tree is hard, straight, corrosion-resistant and moisture-resistant, and it is a good material for manufacturing military industry, vehicles, boats and furniture. Branches and leaves, bark and thorns are rich in tannin, and baking gum can be extracted; Flowers are a good source of honey. All parts of chestnuts can be used as medicine. Chestnut can invigorate the spleen and qi, and eliminate damp-heat. The shell is called astringent to cure nausea, the bark decoction washes erysipelas, and the root can cure kidney qi and other diseases.
Chestnuts are widely used as food in Europe, Asia and America. In medieval southern Europe, it was the main source of carbohydrates in the food of residents living in forests.
Chestnut wood is very durable, not easy to be corroded, black in color and beautiful in pattern, and it is a very good decorative and furniture material. However, due to the slow growth of chestnut trees, the price of large-size chestnut trees is very expensive.
Tannic acid and tannin extract can be extracted from chestnut bark, which is an important raw material for leather industry. Leaves can be fed to tussah.