Salt refers to sea salt, well salt, mineral salt, lake salt and soil salt from different sources. Their main ingredient is sodium chloride? ，? The state stipulates that the sodium chloride content of well salt and mineral salt shall not be less than 95%. Salt contains barium salt, chloride, magnesium, lead, arsenic, zinc, sulfate and other impurities. There were many kinds of salt in ancient times? ，? From the color, there are: crimson snow, peach blossom, cyan, purple, white and so on.
From the source, it is divided into: sea salt is fried with sea brine? ，? Is it made by frying well salt with well brine? ，? Alkaline salt is scraped from alkaline earth and fried? ，? The pool salt comes from the pool brine to dry? ，? Cliff salt is born between earth cliffs. Sea salt, well salt and alkali salt come from people? ，? Both pool salt and cliff salt come from heaven.
How to choose the method of salt
1, color and taste: the color of salt is white? ，? There are no sundries. The taste is salty? ，? No bitterness, astringency and odor.
2. Quality grade: See the quality grade of edible salt? ，? Priority is given to the selection of top-grade or first-grade edible salt.
3, ingredients: look at the ingredients list? ，? The less additives in edible salt, the better.
4. Anti-counterfeiting label: edible salt with anti-counterfeiting label? ，? Anti-counterfeiting labels should be clear? ，? Have a complete ingredient list? ，? Moreover, manufacturers and manufacturers have specific information such as site, name, barcode, shelf life and telephone number.