Abstract:
Yeast cell was immobilized by sodium alginate as the carrier.The technology optimization of immobilized continuous fermentation of cornel-grape wine was studied.The optimum immobilization conditions were determined as follows through orthogonal experiments,based on this,the optimum continuous fermentation conditions were selected.Results were as follows:concentration of carrier was 2%,concentration of calcium chloride was 3%,immobilizing time was 2 h,continuous fermentation temperature was 23 ℃,filling rate was 30%,dilution rate was 0.01/h.There was no significant difference between traditional fermentation and continuous fermentation in main physicochemical and sensory indexes.