The present invention is transplanted plants sulfur bacteria containing sulfur , wherein a plant containing a sulfur -sulfur bacteria is implanted , allowed to contact with a solution containing the salt component , to remove the nitrate salt from the solution containing the salt component Method provides a salt solution, and nitric acid salts are contained in the following 1.7mg per 100g salt comprises a salt component prepared by the above method .BACKGROUND .本発明は、硫黄を含む植物に硫黄細菌を移植させ、前記硫黄細菌が移植された硫黄を含む植物と、塩成分を含む溶液とを接触させ、塩成分を含む溶液から窒酸塩を除去する方法、上記の方法により製造された塩成分を含む溶液、及び窒酸塩が塩100g当たり1.7mg以下に含まれた塩を提供する。【選択図】図1
