The fruit can be eaten, the green bar tree fruit is an acorn.

The nutritional composition of acorns has aroused the interest of scientists, it has been determined that the content of starch and protein in acorns is slightly lower than that of rice, and each 100 grams of acorns can provide 600 kilocalories and 8 grams of protein.

Acorns contain amino acids similar to milk, beans and meat; acorns also contain carotene, vitamin B1, B2 and malic acid. Acorns are rich in oil, extracted oil similar to olive oil, is a good cooking oil. In view of the nutritional value of acorns, some foreign botanists also optimistically predicted that the oak tree will become the future "food crops.

Acorn is rich in protein, fat, tannin, potassium, sodium, calcium, magnesium and other trace elements needed by the human body,

Oak is a wild economic shrub, acorn kernel is rich in starch, oil, protein, etc., is green food.

Expanded Information:

Acorn's edible effects:

The inner kernel of the acorn, such as peanut kernels, is rich in starch. Acorns are processed into starch, flavor and nutritional value is much higher than ordinary starch, there is a pure "vegetarian game" reputation. Acorn itself also has a unique biological function factor, can effectively resist, alleviate and prevent lead and other heavy metal substances on the human body, improve human immunity, and can effectively promote the intellectual development of children.

The acorns are collected, dried in the sun, de-shelled, water-milled, filtered, precipitated, water-bleached and decolorized, de-astringent, naturally cool-dried, whisked fine, and packaged to make acorn starch. Acorn starch can be made into health food, to improve people's quality of life, reduce high pressure, reduce human cholesterol, beauty skin has a significant role, and practice has proved that there is a significant therapeutic effect on diabetes, is the international popular health food in recent years.

Specially in Western Europe, Japan, South Korea and other economically developed regions and countries, the demand for acorn kernel is rising year by year, long-term in short supply market trend. Acorn starch is mainly exported to South Korea, Japan, etc., welcomed by consumers.

Baidu Encyclopedia-Acorn Seed