1, crude salt has the function of sweating, it can discharge waste and excess water in the body, promote skin metabolism, soften dirt and supplement salt and minerals;
2, used to clean the wound can prevent infection;
3. Sprinkling on food can keep fresh for a short time and can be used to preserve food and prevent deterioration.
Extended data:
Sea salt has now been covered with a healthy aura, and people like it more and more, thinking that sea salt containing more trace elements has a unique earthy smell. According to a survey by the American Heart Association, 6 1% people think that the sodium content of sea salt is lower than that of salt.
But in fact, the sodium content of sea salt and table salt is basically the same, both of which are 40%. Compared with edible salt, sea salt looks rougher and bigger. That's because it hasn't been treated.
Although sea salt is rich in trace elements such as magnesium, potassium and calcium, these nutrients can also be obtained from other foods.
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