Wuxia Tang
Abstract
Production of yeast extract with waste beer yeast was investigated .The results indicated the optimum autolysis conditions were as follows: adding 3% salt as autolysis promoter, pH 5.0, at 50℃ and 10% beer yeast suspension for 40 hours,the content of amino acid nitrogen in supernatant was 0.498g/100mL and recovery was 47.50%.
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Production of yeast extract with waste beer yeast was investigated .The results indicated the optimum autolysis conditions were as follows: adding 3% salt as autolysis promoter, pH 5.0, at 50℃ and 10% beer yeast suspension for 40 hours,the content of amino acid nitrogen in supernatant was 0.498g/100mL and recovery was 47.50%.
Key concepts: Autolysis (biology), Yeast, Chemistry, Food science, Yeast extract, Salt (chemistry), Biochemistry, Fermentation