There are phenols, organic acids, sugars, polysaccharides (or glycosides), lactones, coumarins, tannins, steroids (or triterpenoids) and flavonoids, which can be used to treat chronic bronchitis, cough with excessive phlegm, whooping cough, lymphadenitis, mumps and other diseases. The dried and ground chestnut shell also has a good hemostatic effect.

Castanea mollissima, also known as Castanea mollissima, Castanea mollissima, is a plant belonging to the genus Castanea of Fagaceae. It is native to China, distributed in Taiwan Province, and Chinese mainland, and grows at an altitude of 37-2,8 meters. It is mostly found in mountainous areas and has been widely cultivated by people.

chestnuts are rich in nutrition, and the vitamin C content is even higher than that of tomatoes and dozens of times that of apples. The minerals in chestnuts are also very comprehensive, including potassium, zinc and iron. Although the content is not as high as that of hazelnuts, it is still much higher than that of ordinary fruits such as apples, especially the potassium content is three times higher than that of apples.

chestnut shell is slightly astringent. It is better to be big, firm and yellow-brown. Sweet, astringent and flat. Cough relieving, expectorant and anti-inflammatory. Used for chronic bronchitis, cough with excessive phlegm, whooping cough, lymphadenitis and parotitis. The usual dosage is 3 ~ 6g.

Reference: Baidu Encyclopedia-Chestnut Shell