It can be eaten. Not poisonous. Chestnut has high nutritional value. Chestnut belongs to the nut category, but it is not as rich in oil as nuts such as walnuts, hazelnuts, and almonds. It is very high in starch. The carbohydrate content of dried chestnuts reaches 77%, which is equivalent to 75% of cereals; fresh chestnuts also contain 40% carbohydrates, which is 2.4 times that of potatoes. The protein content of fresh chestnuts is 4% to 5%. Although it is not as high as peanuts and walnuts, it is slightly higher than cooked rice. But in some aspects, chestnut nutrition is higher than that of grain. Chestnuts are rich in vitamin B1 and B2. The vitamin B2 content is at least 4 times that of rice. It also contains 24 mg of vitamin C per 100 grams, which is unmatched by grains. It may be difficult for people to imagine that fresh chestnuts contain more vitamin C than tomatoes, which are recognized to be rich in vitamin C, and more than ten times that of apples! The minerals contained in chestnuts are also very comprehensive, including potassium, magnesium, iron, zinc, manganese, etc. Although they are not as high as hazelnuts and melon seeds, they are still much higher than ordinary fruits such as apples and pears, especially those containing The potassium content is outstanding, four times higher than that of apples, which are said to be rich in potassium

The shiny chestnuts also have high medicinal value. Chestnut has the functions of strengthening the spleen and stomach, replenishing qi, tonifying the kidneys, and strengthening the heart. It is mainly used to treat nausea, vomiting blood, blood in the stool and other diseases, and is suitable for people of all ages. Chestnuts are rich in soft dietary fiber and have a lower glycemic index than rice. As long as no sugar is added during cooking, diabetics can also enjoy them in moderation.

However, you cannot eat a large amount of chestnuts at one time. Eating too much will easily bloat your stomach. You only need to eat 6 to 7 chestnuts a day. If you stick to it, you can achieve a good nourishing effect. Dr. Fan also suggested that people should take chestnuts as a snack between meals or eat them with meals instead of eating a lot after meals. This is because chestnuts contain a lot of starch, and eating them after meals makes it easy to consume too many calories, which is not conducive to weight maintenance.