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Thursday, April 14, 2016

Sea Salt is Good For You -- But Not With This in It!

Many people have switched from table salt to sea salt. Why? Table salt is mined from underground salt deposits and are heavily processed, including an additive that prevents clumping. But sea salt is produced from natural evaporation, either from ocean water or saltwater lakes. But it was recently discovered that some of the sea salt on the market may be contaminated with plastic particles.

Sea salt may be contaminated

The journal Environmental Science and Technology recently published that a wide range of plastic pollution is contaminating our salt. The contamination comes from plastic debris which in increasingly filling up our oceans and lakes. The study tested 15 brands of sea salts, lake salts, and rock/well salts from supermarkets throughout China. In more than half the samples, microplastic particles were found that measured less than 200 μm; the average diameter of a strand of human hair is 100 µm.

Should we be concerned?

There were far more particles (550–681 particles/kg) in sea salts, compared to 43–364 particles/kg in lake salts, and 7–204 particles/kg in rock/well salts. The study was also the first of its kind to detect plastic pollution in sea water. On the other hand, table salt is chemically derived from sodium chloride which is often contaminated with sand and glass. So, the question is, which is safer?

What do you think?

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