PURPOSE: A producing method of packed rice cake capable of storing for a long time is provided to prevent the easy acidification and retrogradation of the rice cake.CONSTITUTION: A producing method of packed rice cake capable of storing for a long time comprises the following steps: soaking grains including glutinous rice or non-glutinous rice in alkaline water steaming the soaked grains, and molding the steamed grains into a lump inserting the grain lump into the nitrogen atmosphere secluded from the exterior, and supplying nitrogen from a tank(23) with a nitrogen supplying nozzle(21) and a nitrogen discharging nozzle(22) repeatedly pressurizing the lump for gelatinizing into rice cake dough, and removing oxygen from the dough and extrude-molding the rice cake dough, and cutting to obtain a rice cake body.COPYRIGHT KIPO 2013[Reference numerals] (AA) Nitrogen generation unit본 발명은 장기간 보관가능한 포장떡의 제조방법에 관한 것으로서, 알카리수에 찹쌀 또는 멥쌀로 이루어진 곡류를 침지시켜 불리는 단계(S2)와 불린 곡류를 쪄서 찜덩어리로 만드는 단계(S3)와 찜덩어리를 외기와 차단된 질소환경에 투입하는 단계(S4)와 찜덩어리에 반복적인 압력을 주어 떡반죽으로 호화시킴과 동시에 내부에 함유된 산소를 제거하는 단계(S5)와 떡반죽을 압출성형한 후 절단하여 떡몸체를 성형하는 단계(S6)를 포함하는 것을 특징으로 한다.
