Abstract:Germinated Coix seed was used as the raw material to determine the optimal formulation of a germinated Coix seed solid beverage through single-factor and orthogonal experiments. The nutritional quality was evaluated，and the product shelf life was predicted. The results showed that the optimal formulation for the germinated Coix seed solid beverage consisted of a mass ratio of germinated Coix seed powder to coconut powder of 1∶5，with erythritol at 25%，psyllium husk at 8%，inulin at 1.0%，and resistant dextrin at 5%. The beverage prepared under this formulation was homogeneous and fine，with no significant stratification or sedimentation，and achieved the highest sensory acceptability. The protein content was 77.20 mg/g，dietary fiber content was 58.33 g/100 g，γ-aminobutyric acid （GABA） content was 91.32 mg/100 g，and the estimated glycemic index （eGI） value was 50.44. The moisture content and microbial counts met national standards，and the product could be stored for 107 days at25 ℃.