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ENHANCEMENT OF AMINO ACID PRODUCTION BY TWO-STEP AUTOLYSIS OF SPENT BREWER'S YEAST 期刊名称： Chemical Engineering Communications
作者： Phungjai Boonyeun,Artiwan Shotipruk,Chattip Prommuak,Manop
bbcaSuphantharika,Chirakarn Muangnapoh
年份： 2011年
期号： 第12期
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关键词： Amino acids;Autolysis;Mass transfer;Protein;Spent brewer's yeast;Yeast extract
摘要：A two-step autolysis process was propod to enhance amino acid production from spent brewer's yeast. The technique was developed bad on comparative study of the dynamics of production and relea of proteins and amino acids during the autolysis of a concentrated suspension (22wt.%) and a dilute yeast cell suspension (11.25wt.%). The results suggest that, in the concentrated yeast suspension, proteins are more effectively broken down into amino acids, but the product relea
counterproductive
organize>jimmy eat worldrate was lower due to a lower concentration gradient across the
cell membrane. Thus, a two-step process, in which a high protein conversion occurred in a concentrated cell suspension during the first 13h period, followed by
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学习会计a 26h autolysis process within a dilute cell suspension, provided a higher overall
yield of amino acids compared than the
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