Seeds: containing fatty oil, protein, vitamin B2, starch, pentosan, propionic acid, urea, sucrose, etc.
Watermelon pulp contains citrulline and arginine, which can increase the formation of urea in rat liver and lead to diuresis. Seeds contain a soap-like ingredient, which has the functions of lowering blood pressure and relieving acute cystitis. Fresh watermelon peel can be used as a side dish after pickling.
Eating raw watermelon can quench thirst and promote fluid production, and relieve summer heat and irritability. China folk proverb, known as "natural white tiger soup", says: You don't need to take medicine when you eat watermelon in summer. It shows that watermelon is most suitable for eating in summer and summer, which can relieve heat and sweat, and can replenish water, and is known as the king of fruits and vegetables in summer. In Hami, Xinjiang, the temperature difference between day and night is large, it is hot during the day and cold at night, so there is a saying: wear a fur coat at noon and wear yarn at noon, and eat watermelon with a stove.