[85] The Ayoreo, an indigenous group from the Paraguayan Chaco, obtain their salt from the ash produced by burning the timber of the Indian salt tree (Maytenus vitis-idaea) and other trees. It can be useful for brining, bread or pretzel making and as a scrubbing agent when combined with oil.[54].

[76] The evaporation of seawater is the production method of choice in marine countries with high evaporation and low precipitation rates. A small amount of dextrose may also be added to stabilize the iodine. 2008 United States salmonellosis outbreak, 2017–18 South African listeriosis outbreak, 2018 Australian rockmelon listeriosis outbreak, Spanish Agency for Food Safety and Nutrition, https://en.wikipedia.org/w/index.php?title=Salt&oldid=990072149, Short description is different from Wikidata, Wikipedia pages semi-protected against vandalism, Articles lacking reliable references from April 2019, Articles with disputed statements from January 2018, Articles with unsourced statements from October 2018, Articles containing Japanese-language text, Creative Commons Attribution-ShareAlike License, This page was last edited on 22 November 2020, at 17:17.

Salt is a mineral composed primarily of sodium chloride (NaCl), a chemical compound belonging to the larger class of salts; salt in its natural form as a crystalline mineral is known as rock salt or halite.Salt is present in vast quantities in seawater, where it is the main mineral constituent.The open ocean has about 35 grams (1.2 oz) of solids per liter of sea water, a salinity of 3.5%. The Book of Job contains the first mention of salt as a condiment. Its major chemical products are caustic soda and chlorine, which are separated by the electrolysis of a pure brine solution.

Sediments, the proportion of which varies with the source, give the salt a dull grey appearance. [11], In many East Asian cultures, salt is not traditionally used as a condiment. [95] In the New Testament, six verses mention salt. [93] In Shinto, Shio (塩, lit.

When salt is added during cooking however, these flavors would likely be overwhelmed by those of the food ingredients. This means that there are about 35 grams (1.2 oz) of dissolved salts, predominantly sodium (Na+) and chloride (Cl−) ions, per kilogram (2.2 lbs) of water. 1958.

[64] Guidelines by the United States recommend that people with hypertension, African Americans, and middle-aged and older adults should limit consumption to no more than 1,500 mg of sodium per day and meet the potassium recommendation of 4,700 mg/day with a healthy diet of fruits and vegetables. Iodine is an important micronutrient for humans, and a deficiency of the element can cause lowered production of thyroxine (hypothyroidism) and enlargement of the thyroid gland (endemic goitre) in adults or cretinism in children.

These are used in the manufacture of PVC, plastics, paper pulp and many other inorganic and organic compounds. It is also used in the manufacture of soaps and glycerine, where it is added to the vat to precipitate out the saponified products. [92] Salt is believed to ward off evil spirits in Mahayana Buddhist tradition, and when returning home from a funeral, a pinch of salt is thrown over the left shoulder as this prevents evil spirits from entering the house. It is also believed to cleanse an area of harmful or negative energies. [58], Table salt is made up of just under 40% sodium by weight, so a 6 g serving (1 teaspoon) contains about 2,400 mg of sodium.

Solutions of sodium chloride have very different properties from those of pure water; the freezing point is −21.12 °C (−6.02 °F) for 23.31 wt% of salt, and the boiling point of saturated salt solution is around 108.7 °C (227.7 °F).

[63], Because consuming too much sodium increases risk of cardiovascular diseases,[3] health organizations generally recommend that people reduce their dietary intake of salt.



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