Both tender melons and mature melons of pumpkin are edible and are very rich in nutrients. Tender melons are rich in vitamin C, while old melons are rich in carotene, sugar and starch. According to measurements, every 100 grams of fresh fruit contains 81.9 to 93.7 grams of water (lower for mature melons and higher for young melons), and 1.3 to 15.5 grams of carbohydrates. Ripe melons contain such high amounts of sugar and starch that their energy supply ranks first among melons and vegetables, so they can be used as a food substitute. Contains 0.7 to 0.9 grams of protein, 0.57 to 2.4 mg of carotene, 181 mg of potassium, and 40 mg of phosphorus (mature melons are twice as high as tender melons). It also contains citrulline, arginine, asparagine, trigonelline, adenine, mannitol, pectin and enzymes, soluble fiber, lutein, magnesium, zinc, silicon and other trace elements. Modern nutritional and medical research shows that eating more pumpkins can improve the body's immunity and has a good auxiliary preventive effect on hypertension, diabetes, liver disease, etc.