资源描述：
《硕士学位论文-从枇杷叶中提取、分离熊果酸的工艺研究》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。
1、分类号单位代码密级学号西托大学硕士学位论文题目一作者盖尘鱼一一指导教师丛丑鱼一专业技术职务邀拉学科专业应用化学答辩日期卫旦旦旦卫学位授予⋯日期卫鲤旦卫二五年六月西北大学学位论文知识产权声明书本人完全了解学校有关保护知识产权的规定,即研究生在校攻读学位期间论文工作的知识产权单位属于西北大学。学校有权保留并向国家有关部门或机构送交论文的复印件和电子版。本人允许论文被查阅和借阅。学校可以将本学位论文的全部或部分内容编入有关数据库进行检索,可以采用影印、缩印或扫描等复制手段保存和汇编本学位论文。同时,本人保证,毕业后结合学位论文研究课题再撰写的文章一律注明作者单位为
2、西北大学。保密论文待解密后适用本声明。学位论文作者签名二指导教师签名年月日年月日西北大学学位论文独创性声明本人声明所呈交的学位论文是本人在导师指导下进行的研究工作及取得的研究成果。据我所知,除了文中特别加以标注和致谢的地方外,本论文不包含其他人,也不包含为获得西己经发表或撰写过的研究成果北大学或其它教育机构的学位或证书而使用过的材料。与我一同工作的同志对本研究所做的任何贡献均已在论文中作了明确的说明并表示谢,六尸思。学位论文作者签名年月日摘要熊果酸属于有机三菇酸,具有镇静、抗炎、增强机体免疫力、抗菌、美白、,近年更被中国抗癌等药理作用医药科学院肿瘤医院实验、
3、,因而正证明其有望成为低毒有效的新型天然抗癌药物日益受到众多学者的重视。本论文详细总结了熊果酸的研究近况,包括熊果酸的性质、药理作用、临床应用、在自然界的分布情况以及相应的分析方法研究了,、、,以云南红河产的批把叶为原料提取分离纯化熊果酸的工艺条件得出了一条切实可行的工艺路线并对熊果酸的三种分析方法进行了较系统的研究,建立了与整体。工艺相配套的分析方法所得工艺条件如下,,,一批把叶晒干粉碎后过目筛加倍量无水乙醇,。℃下用索氏提取器回流提取小时减压回收溶剂得浸膏将提取段所得浸膏加一倍量石油醚除杂次,每次小,,。一时乙醇精制次得熊果酸初品,经硅胶柱色谱,将精制所
4、得熊果酸初品用无水乙醇溶解纯化上柱速度为,氯仿为洗脱剂,速度洗脱为将所得洗脱,,。一液减压回收溶剂在℃下用无水乙醇重结晶得白色针状结晶产品经法分析,熊果酸含量以上。关键词批把叶熊果酸提取纯化柱层析,,一,,一,,一一一们们,,,一一,·,场夕目录前言·············,·································································································,····⋯⋯第一章综述··································
5、·······················································,············⋯⋯熊果酸的研究概况································································⋯⋯熊果酸的结构、性质·······························································⋯⋯熊果酸的药理作用························,·······························
6、············⋯⋯熊···························································⋯⋯果酸在临床中的应用熊果酸在天然产物中的分布·················································⋯⋯·············································天然产物中熊果酸的分析方法⋯⋯··········································································
7、···批把叶的研究进展⋯⋯中国批把·································································⋯⋯的种类批把叶的化学···············································⋯⋯成分研究进展批把叶的药···············································⋯⋯理作用研究进展论文研究的主要意义及内容··························································⋯⋯第
8、··························
