Salviaceae water chestnut genus shallow watery rooted herb, to the bulb as a vegetable to eat. Commonly known as horseshoe, also known as ground chestnut, because it is shaped like a horseshoe, and like chestnuts and named. Call it horseshoe, only refers to its appearance; said it like chestnut, not only the shape, even the flavor, composition, function are similar to chestnut, and because it is in the mud results, so there is the name of the ground chestnut. Water chestnut has purple-black skin color, white flesh, sweet and juicy taste, crisp and delicious, since ancient times, it has the reputation of underground Snow Pear, and people in the north regard it as the ginseng in the south of the Yangtze River. Water chestnut can be used as a fruit, but also can be counted as a vegetable, is a popular favorite seasonal products.

Effectiveness: water chestnut contains phosphorus is the highest in root vegetables, can promote human growth and development and maintain physiological functions, the development of teeth and bones have great benefits, while promoting the body's sugar, fat, protein metabolism of the three major substances, regulating the acid-base balance. Therefore, water chestnut is suitable for children to eat. Britain found an intolerant antibacterial ingredient - water chestnut Ying - in the study of water chestnut. This substance has a certain inhibitory effect on Staphylococcus aureus, Escherichia coli, Bacillus cereus and Pseudomonas aeruginosa, and it also has a certain effect on lowering blood pressure. This substance is also effective against cancer of the lungs, esophagus and mammary glands. Water chestnut also has the function of preventing acute infectious diseases. In the spring show where measles and epidemic meningitis are more likely to occur, water chestnut is a very good disease prevention food. Water chestnut is a cold food with good effect of clearing heat and diarrhea. It can not only clear heat and produce fluids, but also supplement nutrition, and is most suitable for fever patients. It has the efficacy of cooling the blood and detoxifying the toxin, diuretic and laxative, resolving dampness and expelling phlegm, eliminating food and removing flatulence.

Suitable for people: It is a popular food. It is most suitable for children and fever patients.

Applicable amount: about 10 at a time. Water chestnut should not be eaten raw, because water chestnut grows in the mud, the outer skin and the inside may be attached with more bacteria and parasites, so it must be washed and boiled thoroughly before eating, and the boiled water chestnut is sweeter. Water chestnut is a cold food, which is not suitable for people with spleen and kidney deficiency and blood stasis.