PROBLEM TO BE SOLVED: To provide a method for processing a material meat block in which a pickle liquid is made to infiltrate the material meat block speedily.SOLUTION: A method for processing a material meat block includes: a gas injection step of sticking a gas injection needle 19 in the material meat block B to inject gas g in the meat tissue of the material meat block, and then extracting the gas injection needle a vacuum suction step of sealing up the material meat block B1 after completion of the gas injection step, evacuating it and then inflating it and a pickle liquid injection step of driving a pickle liquid injection needle 53 in the material meat block B2 after the completion of the vacuum suction step, and injecting the pickle liquid.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2017,JPO&INPIT【課題】原料肉塊にピックル液が速やかに浸透する様にする。【解決手段】原料肉塊Bにガス注入針19を刺し込んで前記原料肉塊の肉組織の中にガスgを注入した後に前記ガス注入針を抜き出すガス注入行程と、前記ガス注入行程終了後、原料肉塊B1を密封して真空引きし膨張させる真空吸引行程と、前記真空吸引行程終了後、前記原料肉塊B2にピックル液注入針53を打ち込んでピックル液を注入するピックル液注入行程と、を備えている。【選択図】 図1
