双酶法液化及糖化马铃薯干粉工艺的研究 STUDY OF TECHNIQUE OF POTATO FLOUR LIQUEFYING AND SACCHARIFYING BY BI-ENZYME.pdfVIP
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2000年1月 第30卷第1期 食品研究与开发 科学研究 —蓦.8 双酶法液化及糖化马铃薯干粉工艺的研究 钟浩1,谭兴和,。熊兴耀。,胡亚平’。苏小军z 摘要:研究不同因素对马铃薯干粉酶法液化和糖化过程的影响。通过单因子试验和正交试验,以黏度为指标。得出 rain,加酶量8 最佳液化条件为:pH为6.0,粉碎度40目,温度85℃,时间80 U/g,加水量105[130g底物。以糖化率为 指标,得出最佳糖化条件为pH为4.0,温度55oC,时间30min,加酶量为110u/s。结果表明,该方法反应条件温和,糖 化率较高,为马铃薯酒精的发酵打好了基础。 关键词:马铃薯干粉;耐高温a一淀粉酶;糖化酶 STUDYOF OFPOTATOFLOUR ANDSACCHARIf’YINGBYBI—ENZYME TECHNIQUE LIQUEFYING ZHONG Ha01,TANXing-hel,XIONGXing-ya02,HUYa-pin91,SUXiao-jun2 ofFoodScienceAnd 410128,Hunan,China; (1.College Technology,HunanAgriculturalUniversity,Changsha ofHorticultureand 2.College Landscape,HunanAgriculturalUniversity,Changsha410128,Hunan,China) Abstract:Thedifferentfactors the andsaccharifiedof flourwasstudied.The enzymatichquefied potato affecting conditionwas the factorand single experiments,the optimum investigatedbyviscosity,after orthogonal optimum conditionsWasas Was Wasover40mesh Was time 85℃,the follows:pH6.0,glindingdegrees sieve,temperature was80rain,theuseof amountWas8 contentwas105U30 heat-resistinga-amylase U/g,water g.Theoptimum as was saccharificationconditionWas saccharificafionconditionsWas 4.0.tem一 by rate,the follows:pH investigated 基金项目:湖南省科技厅科技计划重点项目(2006NK
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