The heartwood of chestnut is yellowish brown, the color of sapwood is slightly lighter, and the boundary between heartwood and sapwood is not very clear. The texture is straight, the structure is thick, hard, and it is resistant to water and humidity. It is a good material for construction, shipbuilding, car making, sleepers, farm implements, musical instruments, furniture, etc. The leaves can be used as silkworm feed. Its male flowers, cluster buds (also called sheds, clusters, i.e. involucral buds) and bark are rich in tannins (4-13.5%). Great value. Its fibers are slender, and it is also a good material for papermaking. The inflorescence of chestnut can be twisted into a match, and farmers in the chestnut area often use it as a fire source to save matches

Dragon fruit contains plant albumin and anthocyanin, which are rare in ordinary plants, rich in vitamins and water-soluble dietary fiber, rich in vitamin C, and the iron content is higher than that of ordinary fruits. It is a low-energy, high-fiber fruit. .
It has anti-oxidative, anti-free radical, anti-aging effects, and also has the effect of inhibiting brain cell degeneration and preventing dementia.
Contains plant albumin, this active albumin will automatically combine with heavy metal ions in the human body and excreted through the excretory system, thereby playing a role in detoxification. In addition, albumin has a protective effect on the stomach lining.
Prevent constipation, promote eye health, increase bone density, help cell membrane formation, prevent anemia and anti-neuritis, angular cheilitis,

In addition to fresh food, cantaloupe can also be made into dried melon, preserved melon, and melon juice. The cantaloupe can be peeled with the large fruit peeler in the fruit and vegetable peeler, which is suitable for food-scale processing. Guati melon seeds can be used as medicine to treat diseases, and melon rinds can promote fat and fat when fed to sheep.
Cantaloupe seeds can be used to make essential oils. It is rich in cantaloupe seeds with medicinal, beauty, health care and physiological activities. It is refined by pure physical and cold pressing methods. Its color is golden, the taste is fragrant, and there is a pleasant fruit taste; it fully retains the unique medicinal, beauty and health care nutrients in cantaloupe seeds without damage. With super antioxidant capacity, it is a high-quality pure natural essential oil for medicinal, beauty, health care and nutrition, and can be widely used in medicine, beauty, health care, nutritional food and other fields.
The vitamin content in cantaloupe flesh is no less than that of other fruits. In the fresh melon flesh of cantaloupe, the vitamin content is 4 to 7 times higher than that of watermelon, 6 times higher than that of apples, and 1.3 times higher than that of apricots. These ingredients are beneficial to the work of the human heart and liver as well as the activity of the intestinal system, promote endocrine and hematopoietic functions, and strengthen the digestive process.

The pulp of watermelon contains substances such as glucose, fructose, sucrose, carotene, amino acids and vitamin C, which can produce body fluid and quench thirst, and supplement human energy and nutrients. The seeds contain starch, sucrose, fatty oil, protein and vitamins, which can be used for tea drinking or melon seeds. The rind of melon contains vitamin C and vitamin E, which are edible or medicinal and have high functional value.

Watermelon rind is sweet and cool in nature, has the effect of reducing swelling and reducing fire, and can treat heat stroke, edema, oral ulcers and poor urination. The pulp is sweet and cold in nature, has thirst-quenching, heat-removing and diuretic effects, and can treat dry mouth and poor urination. The seeds of watermelon have the functions of hemostasis, moisturizing the intestines and protecting the intestines and stomach, and can treat hemoptysis and gastrointestinal discomfort.

Plums can promote the secretion of gastric acid and gastric digestive enzymes, and have the effect of increasing gastrointestinal motility. Therefore, eating plums can promote digestion and increase appetite. Plum meat contains a variety of amino acids, such as glutamine, serine, glycine, proline, etc., raw food is very beneficial for the treatment of liver cirrhosis ascites; blood pressure, catharsis, antitussive: Plum nucleolus contains amygdalin And a large amount of fatty oil, pharmacologically confirmed that it has a significant effect of diuresis and blood pressure, and can speed up intestinal peristalsis, promote the discharge of dry stool, and also have the effect of relieving cough and expectorating phlegm;

The outer peel of the orange is called "tangerine peel" after it is dried in the sun (due to its good medicinal effect, it is called tangerine peel).
The white mesh-like filaments on the tangerine pulp, called "tangerine network", contain a certain amount of vitamin P, which has the functions of clearing the collaterals, resolving phlegm, regulating qi, and eliminating stagnation.
Tangerine core is bitter in taste, non-toxic, has the effect of regulating qi and relieving pain, and can be used to treat hernia, low back pain and other diseases.
Tangerine root, orange leaf, etc. can also be used as medicine, with different functions such as soothing the liver, strengthening the spleen, and stomach.
The pulp of citrus is also an important raw material for light industry. It can be processed into canned food, candied fruit, jam, fruit cake, peptone, fructose, and can also be made into beverages such as fruit juice and fruit wine. During processing, pectin, citric acid, hesperidin and essential oils can be extracted.
Orange peel can be used as the raw material for extracting vitamin A, vitamin P and vitamin C. Orange peel also has many clever uses in daily life. It can be used for beauty and skin care, cleaning porcelain with tea rust, deodorizing, and also being used as fertilizer.