Provided is a meat-modifying composition containing a gluconate and a sugar-modifying enzyme, the content of sugar-modifying enzyme being 100 to 100,000,000 U per 1g of gluconate, and it is therefore possible to provide prepared meat products which are juicy and tender. The meat-modifying composition prevents prepared meat products from drying out during heating.本發明為提供一種可抑制藉由加熱的離水，多汁且柔軟的食用肉調理品，其為含有葡萄糖酸鹽及糖質改質酵素之食用肉改質用組成物，且葡萄糖酸每1g下含有100～100,000,000U之糖質改質酵素的組成物。
