农产品加工·学刊(中)
農產品加工·學刊(中)
농산품가공·학간(중)
AEM RODUCTS ROCESSING
2013年
9期
36-39
,共4页
啤酒糟%超临界CO2萃取%纯-碱法%醇溶蛋白%响应面法
啤酒糟%超臨界CO2萃取%純-堿法%醇溶蛋白%響應麵法
비주조%초림계CO2췌취%순-감법%순용단백%향응면법
brewer's grains%supercritical CO2 extraction%pure-process%alcohol soluble protein%response surface method
采用超临界CO2萃取法萃取啤酒糟,使啤酒糟脱色,然后以脱色后的啤酒糟为原料,利用醇溶蛋白溶于60%~95%乙醇及强碱的特性,用醇-碱法提取啤酒糟中的醇溶蛋白,对固液比、醇碱比、 pH值及提取时间4因素进行单因素试验,利用响应面法进行条件优化,确定最佳提取工艺参数,即固液比为1∶36,醇碱比为1∶4, pH值为4.65,提取时间为150 min,最终的醇溶蛋白提取率为24.6%。
採用超臨界CO2萃取法萃取啤酒糟,使啤酒糟脫色,然後以脫色後的啤酒糟為原料,利用醇溶蛋白溶于60%~95%乙醇及彊堿的特性,用醇-堿法提取啤酒糟中的醇溶蛋白,對固液比、醇堿比、 pH值及提取時間4因素進行單因素試驗,利用響應麵法進行條件優化,確定最佳提取工藝參數,即固液比為1∶36,醇堿比為1∶4, pH值為4.65,提取時間為150 min,最終的醇溶蛋白提取率為24.6%。
채용초림계CO2췌취법췌취비주조,사비주조탈색,연후이탈색후적비주조위원료,이용순용단백용우60%~95%을순급강감적특성,용순-감법제취비주조중적순용단백,대고액비、순감비、 pH치급제취시간4인소진행단인소시험,이용향응면법진행조건우화,학정최가제취공예삼수,즉고액비위1∶36,순감비위1∶4, pH치위4.65,제취시간위150 min,최종적순용단백제취솔위24.6%。
This paper studies supercritical CO2 extraction extraction beer bad, makes beer bad decolorizing, then decolorizing of brewer's grains as raw materials, using alcohol soluble protein soluble in 60%~95%ethanol and the characteristics of strong base, using alcohol-alkali distillation brewer's grains in the alcohol soluble protein, for solid-liquid ratio, alcohol alkali ratio, pH value and extraction time four factors of single factor experiment, the response surface method is optimized conditions, the optimum extraction technology parameters, namely solid-liquid ratio 1∶36, alcohol base than 1∶4, pH value 4.65, extracting time for 150 min, the alcohol soluble protein extraction yield is 24.6%.