【生物工程专业】【毕业设计】海带多糖的提取工艺研究

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1、（20届）毕业论文海带多糖的提取工艺研究　II海带多糖的提取工艺研究摘要：目的本研究选用热水浸提法来提取海带多糖。方法对影响热水浸提取多糖的3个因素进行考察，即：温度、时间、料液比，在3个水平上进行研究。结果通过数据分析获得热水浸提取多糖的最佳方法，提取温度80℃，料液比1∶60，提取时间30min，即：A2B1C3。关键词：海带；多糖；正交试验IIExtractionandDeterminationofPolysaccharidesfromLaminariaJaponicaAbstract：[Objective]

2、Hot-watermethodwasemployedtoextractpolysaccharides.[Methods]IoptimizedtheextractionfactorswithL9(34)orthogonalexperimentaldesign.[Results]Theresultsindicatedthattheoptimumconditionswereanextractiontemperatureof80ºC,anextractiontimeof30minandasubstrate/liquidra

3、tioof1∶60.Keywords：laminariajaponica;polysaccharide;orthogonalexperimentII目录摘要············································································································IAbstract·································································

4、······································Ⅱ1绪论····································································································（1）1.1海带简介························································································（1）1.2海带多糖简介········

5、··········································································（1）1.2.1免疫调节作用···············································································（1）1.2.2抗肿瘤作用················································································

6、··（2）1.2.3抗病毒作用··················································································（2）1.2.4抗菌作用·····················································································（2）1.2.5消除自由基和抗氧化作用···············································

7、·················（2）1.2.6抗疲劳作用··················································································（3）1.2.7抗高血脂·····················································································（3）1.2.8降血糖作用······································

8、············································（4）1.2.9其他一些生物活性·········································································（4）2实验部分·······································