If you use a pressure cooker to cook water chestnuts, it usually takes about five minutes to cook. If you steam them, it will take more than half an hour to cook. Water chestnuts need to be cooked until they are fully cooked to be sweet and glutinous. Half-cooked water chestnuts will not taste very good. When the cooking time is about the same, you can pinch them with your fingernails. If they are not crispy, they are completely cooked.

Water chestnut, also known as water chestnut, is native to India. It is a perennial herb that grows in paddy fields. We eat the oblate underground stems. In medicine, horseshoes also have a place. Horse's hoof is sweet in nature and cold in taste. It enters the three meridians of the lungs and stomach. It has the effects of clearing the heart and purging fire, moistening the lungs and cooling the liver, digesting food and reducing phlegm, diuresis and improving eyesight. The green water chestnut stem seedlings, whose medicinal name is "Tongtiancao", are cool in nature and bitter in taste, and have the functions of clearing away heat and detoxifying, tonifying the kidneys and diuresis.

1. Clear the lungs and resolve phlegm.

Water chestnuts are sweet and cold in nature, can clear away lung heat, and are rich in mucus. They have the effect of promoting body fluids, moistening the lungs and reducing phlegm, so they can clear away phlegm heat and treat cough caused by lung heat, which causes yellow sticky phlegm. Symptoms.

2. It has laxative and diuretic effects.

Water chestnuts contain crude protein and starch, which can promote large intestine peristalsis. They are often used clinically to treat food accumulation and dry stools caused by heat evil. Water chestnuts decoction can diuretic and relieve stranguria, which is a good choice for patients with urinary tract infections. Excellent dietary supplement.

3. Prevent respiratory diseases.

In seasons when there are more respiratory infectious diseases, eating fresh water chestnuts is helpful in preventing and treating influenza, meningococcal meningitis, measles, whooping cough and acute pharyngitis.