The nutritional content per 100.0g is as follows:

Ingredient name content Ingredient name content Ingredient name content

Edible part 70 Moisture (g) 42.3 Energy (thousands) Calories) 600 Energy (kilojoules) 967

Protein (g) 8 Fat (g) 2

Carbohydrates (g) 50.5 Dietary fiber (g) 1.3 Ash (g) 1.2

Thiamine (microgram) 0.03 Vitamin C (mg) 7 Calcium (mg) 112

Phosphorus (mg) 64 Iron (mg) 5.8

Acorns are the fruit of the oak tree, which are abundant in the mountainous areas of eastern Hubei. They are shaped like silkworm cocoons, so they are also called chestnut cocoons. Acorns have a hard shell on the outside and are brownish red in color, with an inner kernel like a peanut kernel and rich in starch. When Du Fu was in poverty, he used this to satisfy his hunger from time to time.

Acorns are edible. However, some acorns (especially black acorns of red oak) contain a large amount of tannins, which will feel bitter if eaten directly without processing. Green acorns of white oak have lower tannin content and a sweeter taste, and can be eaten raw or eaten raw. Cooking. The basic method of cooking acorns is to boil them for a long time and change the water to remove the tannins contained in them. After they are cooked, they can be eaten directly. Acorns can also be used for baking or making dough. Acorn flour often has a special fragrance. Because acorns contain more oil, acorn flour must be stored carefully to avoid cracking. Acorn powder can also be used as a coffee companion.

Acorns contain approximately 510 kcal per 100 grams. The main ingredients are 6% water, 54% carbohydrate, 8% protein and 32% fat (mostly unsaturated fatty acids). In addition, acorns are rich in minerals and vitamins such as calcium, phosphorus, potassium and niacin.