Table 2. Mineral contents of various salts (unit: mg/kg)

Sample	Na	Ca	K	Mg
Salt water from deep sea water	313,995	1,076.4	15,560.6	30,919.6
Sun-dried salt	333,287	1,429.0	3,067.3	9,797.0
Refined salt	386,014	164.52	1,807.9	642.1
Roasted salt	374,524	234.71	1,527.8	672.5