With Wufeng rice powder, pumpkin powder, tapioca and Chinese yam as the main raw material, the D-Optimal mixture design was used to study the effect of different mix proportion on the comprehensive score of simulated rice food, the regression model was established between comprehensive score with distribution proportion, the interaction effect of each raw material in the formulations was researched, the optimal formulations of simulated rice food was determined as follows: Wufeng rice powder 38.10%, p...