Economic Botany. 48 (2): 159-162. Bibcode:2026EcBot..48..159S > 자유게시판

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The caravans still cross the desert from southern Niger to Bilma, though a lot of the trade now takes place by truck. Each camel takes two bales of fodder and two of commerce items northwards and returns laden with salt pillars and dates. The harvest of salt from the surface of Xiechi Lake near Yuncheng in Shanxi, China, dates back to at the least 6000 BC, making it one of the oldest verifiable saltworks. A few of the earliest evidence of salt processing dates to round 6000 BC, when folks living in the area of current-day Romania boiled spring water to extract salts; a salt works in China dates to approximately the same interval. Venice received the Salt War (1304) with Padua over supplying the product in certain areas, and the War of Ferrara (1482-1484) for a similar cause. The Tuareg have traditionally maintained routes across the Sahara particularly for the transportation of salt by Azalai salt caravans.

Salt turned an essential article of trade and was transported by boat across the Mediterranean Sea, along specially constructed salt roads, and across the Sahara on camel caravans. In Africa, salt was used as currency south of the Sahara. A very historical salt-works operation has been found on the Poiana Slatinei archaeological site subsequent to a salt spring in Lunca, Neamț County, Romania. The word salad literally means "salted", and comes from the ancient Roman apply of salting leaf vegetables. Salzach means "salt river", while Salzburg means "salt castle", both taking their names from the German phrase Salz, salt. Salzburg, Hallstatt, and Hallein lie inside 17 km (eleven mi) of each other on the river Salzach in central Austria in an space with in depth salt deposits. Away from the sea, salt is extracted from the vast sedimentary deposits which have been laid down over the millennia from the evaporation of seas and lakes. The salt extracted from this operation could have instantly correlated with the speedy progress of this society's population quickly after manufacturing began.

Liverpool flourished on the export of salt extracted from the salt mines of Cheshire. From cold options, salt crystallises because the dihydrate NaCl· Salt is mostly sodium chloride (NaCl). Wood, Frank Osborne; Ralston, Robert H. "Salt (NaCl)". Evidence signifies that Neolithic individuals of the Precucuteni Culture have been boiling the salt-laden spring water by means of the strategy of briquetage to extract salt as far again as 6050 BC. 2H2O. Solutions of sodium chloride have very totally 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). Salt is important for life generally (being the source of the essential dietary minerals sodium and chlorine), and saltiness is considered one of the basic human tastes. Salt is important to the well being of humans and other animals, and it is without doubt one of the 5 basic taste sensations. Sodium is an essential aspect for human well being through its role as an electrolyte and osmotic solute.

The World Health Organization recommends that adults eat less than 2,000 mg of sodium, equivalent to 5 grams of salt, per day. In adults and children with no acute illness, a decrease in the intake of sodium from the standard high levels reduces blood pressure. Iodine is an important micronutrient for humans, and a deficiency of the ingredient can cause lowered manufacturing of thyroxine (hypothyroidism) and enlargement of the thyroid gland (endemic goitre) in adults or cretinism in kids. Salt evaporation ponds are filled from the ocean and salt crystals might be harvested as the water dries up. Multiple phases of evaporation are then utilized. Salt is processed from salt mines, what is medical salt and by the evaporation of seawater (sea salt) and mineral-rich spring water in shallow pools. Edible salt is offered in types corresponding to sea salt and table salt. In its place, condiments similar to soy sauce, fish sauce and oyster sauce are inclined to have a high sodium content and fill a similar position to desk salt in western cultures. It performed a job within the American Revolution and the San Elizario Salt War. The oppressive salt tax in France was one of many causes of the French Revolution.