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The word salt is thought to come from the Latin sal, meaning salt. The English word "salary", which is similar in several European languages, is linked to the fact that salt was once a currency (legal tender) in many parts of the world.
White salt is produced by evaporating 'solution-mined' brine in pressure vessels. The rock salt we use for gritting roads comes from mining ancient deposits. In some countries the natural energy of the sun is used to evaporate brine produced from sea water
This is partially simply due to the fact that “saltiness” is one of the five primary basic tastes the human tongue can detect. Those five tastes being: salt, bitter, sweet, sour, and umami (if you’re not familiar with this one, it is from glutamic acid, which is found in many foods, particularly some meats, and is the basis of the flavor enhancer monosodium glutamate, also known as MSG).
Salt is all around us. Underground and on the earth’s surface in the dried up residues of ancient seas. Some salt has even arrived from outer space in meteors. But our biggest source of salt is in our seas and oceans. With an average of 26 million tonnes per cubic kilometre, sea water offers a seemingly inexhaustible supply which if extracted, would cover the world’s total land mass to a depth of 35 metres
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