The present invention provides a medicinal meat conditioning product which is succulent and soft, even if heated, to a core portion of the edible meat, which is a composition for cultivating a meat containing gluconate and a protease which is glucose. The acid contains 100 to 100,000,000 U of protease per 1 g.本發明為提供一種即使加熱亦可至食用肉的核心部分為多汁且柔軟的食用肉調理品,其為提供一種含有葡萄糖酸鹽及蛋白酶之食用肉改質用組成物,該組成物為葡萄糖酸每1g中含有100~100,000,000U之蛋白酶。