Benefits of eating salt: 1. Maintaining the osmotic pressure of extracellular fluid. Salt plays an important role in maintaining osmotic pressure and affects the movement of water in the human body.

2. Participate in the regulation of acid-base balance in the body

3. Chloride ions participate in the generation of gastric acid in the body.

Disadvantages of eating salt:

1. Excessive salt consumption can cause gastric cancer.

2. Eating too much salt can cause high blood pressure. High blood pressure can also cause many complications, such as coronary heart disease, insufficient blood supply to the brain, cerebral thrombosis, cerebral infarction and even stroke. Table salt

Table salt, also known as table salt, is one of the most important substances for human survival and the most commonly used seasoning in cooking. The main chemical component of salt, sodium chloride (chemical formula NaCl), accounts for 99% of table salt. Potassium chloride is added to table salt produced in some areas to reduce the content of sodium chloride and reduce the incidence of hypertension. At the same time, table salt in most parts of the world is added with iodine to prevent iodine deficiency diseases. Table salt with added iodine is called iodized salt. How to use table salt

Care for the throat: Salt water has anti-inflammatory, sterilizing and throat care effects. The climate in autumn is dry, which is the season with high incidence of acute (chronic) pharyngitis and tonsillitis. When your throat feels slightly uncomfortable, you can use salt water as a morning mouthwash; when your throat feels swollen and painful, you can gargle with concentrated salt water 5 to 6 times a day; patients with chronic pharyngitis can drink 1 cup of light warm salt water every morning Or gargle the throat with warm salt water 3 to 4 times a day. It can play a better preventive and therapeutic role.

Natural hemostasis: Table salt has the effect of enhancing blood coagulation. If your nose bleeds, you can stuff cotton wool soaked in salt water into your nostrils and drink 1 cup of salt soup at the same time. If there is small bleeding inside the mouth, such as gum bleeding, fish bone stabbing and throat bleeding, etc., you can gargle with salt soup to stop bleeding naturally. effect.

Treatment of eye diseases: If you suffer from trachoma, you can use light salt water to wash your eyes; if your eyes are red and swollen, you can add a teaspoon of fine salt to 600 ml of warm water. After it melts, soak it with cotton wool for a while, and then Take out cotton wool and apply pressure on the swollen areas of the eyes to reduce the swelling immediately.

Refreshing and sobering up: Salt has the effect of clearing away heat and calming the nerves. When a person is drunk, vomiting, and dizzy, he can drink a small cup of salt water immediately, which can not only relieve the drunkenness, but also eliminate the uncomfortable pain as soon as possible.

Remove body odor: Salt has deodorizing effect. Patients with armpit odor can rub their armpits with heated coarse salt wrapped in a cloth, or take 150 grams of fine salt and 100 grams of chrysanthemum, add them to the bath water, and soak them twice a month to completely eliminate body odor.

Care for hair: Gently apply concentrated salt water to the roots of the hair, wash it off with clean water after about 5 minutes, once a day in the morning and evening, and use it continuously for 15 to 20 days as a course of treatment. This method not only gets rid of dandruff but also prevents hair loss.

Skin care and beauty: 50 grams of almond powder, 1 teaspoon of fine salt, add water to make a paste and apply it on the face, twice a week to make the skin fair and tender; patients with acne (acne) and rosacea , put about 20 grams of table salt in a basin of hot water before going to bed every night, wait until it dissolves, then wash your face while it is hot, which can not only remove facial oil, but also gradually dissipate acne.

White teeth: People with yellowed or blackened teeth can mix salt and baking soda in a ratio of 1:2 and use it to brush their teeth. Long-term use can remove tartar, whiten teeth, and prevent and treat dental disease. Protect gums. The manufacturing method of table salt

The method of making table salt is relatively simple. The commonly used methods are to absorb moisture, brine, crystallize, collect salt and wash salt.

Although the method of making table salt is a bit simple, it also requires a lot of labor. The first step is to guide the seawater from the sea into the salt field, and then expose it to the sun. After a strong sun exposure, the seawater in the salt field will evaporate. When it reaches a certain level, the concentration will crystallize. After such a simple production, you will get Kosher salt.

The coarse salt obtained after evaporation is dissolved, precipitated, filtered, and evaporated to obtain refined table salt. Finally, other elements are added according to the needs of the actual situation.