About 1000 years ago, some Korean medicine doctors and monks started to make medical salts by inserting salt in a thick bamboo stub and baking them together with pine tree firewood. The ancient bamboo salt was baked only twice or trice. They used the salt as special medicine treatments.
Finally they found out that bamboo salt could have its complete medical efficacy if it is baked over 9 times repeatedly. And they also noticed that if bamboo salt is completely melted, the toxic characteristic disappears.
Now bamboo salt is well known as one of the most famous traditional medical treatments. Also many pharmaceutical scientists all around the world are researching into bamboo salt’s special therapeutics like anti-cancer effect and anti-virus effect.