PURPOSE: A producing method of germinated grains using deep sea water is provided to improve the concentration of minerals, calcium, and magnesium in the germinated grains. CONSTITUTION: A producing method of germinated grains using deep sea water comprises the following steps: washing seeds, and soaking the seeds in water before firstly germinating at 25-32 deg. C for 1-10 hours； and soaking the firstly germinated seeds in the deep sea water for 1-10 hours for secondly germinating. [Reference numerals] (AA) Washing seeds； (BB) Firstly germinating the seeds in air； (CC) Secondly germinating the seeds in deep sea water본 발명은 종자를 세척하는 단계；상기 세척한 종자를 물에 침지하여 불린 후 대기 중에서 1차 발아하는 단계； 및상기 1차 발아된 종자를 해양심층수에 침지하여 2차 발아하는 단계를 포함하는 해양심층수를 이용한 발아곡류의 제조방법을 제공한다.
