Zizhu salt is rich in minerals and trace elements such as sodium, calcium, silicon, potassium, magnesium, copper, iron, zinc and selenium. Bamboo salt is divided into one roasting, three roasting and nine roasting, with the quality of nine roasting being the best, and the top bamboo salt in nine roasting is "purple bamboo salt". Anyone who publicizes the medicinal efficacy of Zizhu salt is false propaganda!
Purple bamboo salt, known as fine bamboo salt, is made by filling pure natural deep sea salt into fresh dripping green bamboo tubes that have been growing for more than 3 years, sealing both ends with loess less than 4 meters deep in the mountains, putting the bamboo tubes filled with bamboo salt into a special furnace, selecting specific directions, spraying turpentine, and refining with Korean pine at high temperature of 1000~ 1500℃ for 9 times.
Bamboo salt is a treasure house of pure natural trace elements, rich in minerals and trace elements such as sodium, calcium, silicon, potassium, magnesium, copper, iron, zinc and selenium. Bamboo salt is divided into one roasting, three roasting and nine roasting according to the grade, with the quality of nine roasting being the best, and the top bamboo salt in nine roasting is "purple bamboo salt".