To solve the problems of unstable quality of traditional braised products and promote the development of standardized production of braised duck leg,in this study,cinnamon extract is used to replace traditional cinnamon spice,the addition process of cinnamon extract in ...MORE To solve the problems of unstable quality of traditional braised products and promote the development of standardized production of braised duck leg,in this study,cinnamon extract is used to replace traditional cinnamon spice,the addition process of cinnamon extract in braised duck leg is optimized by single factor exper...