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Salt tastes biting, puckery, savory, zesty, piquant. Salt tastes like any of numerous compounds that result from replacement of part or all of the acid hydrogen by a metal or a group acting like a metal. Directly on the tongue, salt tastes biting and puckery. In your eye or on a broken skin part it can sting fiercely.
Last reviewed: January 2009. Salt substitutes lack table salt (sodium chloride); salt blends are a hybrid of table salt and other ingredients. Finding a tasty substitute or blend can prove tough: The best-known faux salt, potassium chloride, tends to have a bitter or off taste. And it might not be safe for people with kidney problems or those who take medications for the heart or liver, so those people should check with a doctor before using it.