武汉工商学院生物制药工程技术论文学院：环境与生物工程学院专业：生物工程年级：2012级学生：夏继承学号1204011104指导教师：乐薇职称:副教授题目:水浸提银耳多糖的关键技术研究2015年4月5日目录水浸提银耳多糖的关键技术研究..............................................................1摘要........................................................................................................................1Abstract.................................................................................................................12.实验试剂及仪器..........................................................................................22.1实验试剂..................................................................................................22.2实验仪器..................................................................................................33.实验部分......................................................................................................33.1标准曲线的制作......................................................................................33.2实验材料预处理......................................................................................43.3单因素试验..............................................................................................43.3.1料水比单因素试验.......................................................................43.3.2温度单因素试验...........................................................................43.3.3pH值比单因素试验......................................................................43.3.4时间单因素试验...........................................................................43.4单因数试验结果与讨论..........................................................................43.5正交试验..................................................................................................63.6正交试验结果与讨论..............................................................................73.7验证性试验..............................................................................................74.结论..............................................................................................................7致谢........................................................................................................................9水浸提银耳多糖的关键技术研究摘要为充分利用提取银耳多糖，探讨银耳多糖的水浸提的关键技术。本设计用正交分析法研究了温度、pH值、料水比、时间等四个因数对银耳多糖的水浸提法的效率影响，并获得的最佳的提取条件为温度50℃，pH值12，料水比1:50，时间2h。关键词：水浸提取；银耳多糖；关键技术KeytechniquesofwaterextractionoftremellapolysaccharideAbstractTomakefulluseoftremellapolysaccharideextracted,thispaperdiscussesthekeytechnologyoftremellapolysaccharidewaterleaching.Thisdesignforthefourfactorofwaterextractionoftremellapolysaccharideextractionefficiencywasstudied,andobtainthebestextractionconditionsfortemperatureis50℃,thepHvalueis12,theratioofmaterialtowateris1:50,timeis2hKeywords:waterimmersionextraction;Tremellapolysaccharide;Thekeytechnology11.前言银耳，生长于温带和亚热带地区，是有隔担子菌亚纲银耳科银耳的子实体，又称白木耳[1]。银耳银耳子实体纯白至乳白色，胶质，半透明，柔软有弹性，由数片至10余片瓣片组成，形似菊花形、牡丹形或绣球形，直径3-15cm。干后收缩，角质，硬而脆，白色或米黄色。子实层生瓣片表面。担子近球形或近卵圆...
