摘 要:本论文研究了硫磺熏未水洗党参,硫磺熏水洗党参,未经硫磺熏未经水洗党参以及未经硫磺熏经水洗党参的挥发性物质的差异。目的在于检测经硫磺熏制的党参中是否含有对人体有害的含硫化合物以及硫磺熏制后的党参经水洗后能否去除含硫化合物。利用同时蒸馏萃取的方法从党参中提取挥发性物质。进一步利用气质联用法进行成分测定分析。结果表明,硫磺熏未水洗党参的挥发油中含有2种含硫化合物,硫磺熏经水洗党参的挥发油中没有含硫化合物。硫磺熏制后的党参产生了对人体有害的含硫化合物,硫磺熏党参经水洗之后可以完全去除其挥发油中的含硫化合物。59319
毕业论文关键词:同时蒸馏萃取,气质联用,党参
Abstract:This paper studies the sulfur smoked washing codonopsis pilosula,sulfur smoked without washing codonopsis pilosula,without the sulfur smoked without washing codonopsis pilosula and without sulfur smoked but washed codonopsis pilosula of the volatile substances of codonopsis pilosula extract differences.Purpose is to detect whether the sulfur smoked codonopsis pilosula containing sulfur compounds that are harmful to human body and the sulfur smoked codonopsis pilosula after washing whether to remove sulfur compounds.Volatile substances was extracted by the simultaneous distillation extraction (SDE).The chemical components were detected by means of GC-MS.The results showed that volatile oil of sulfur smoked not washed codonopsis pilosula contains two kinds of sulfur compounds, volatile oil of the sulfur smoked washing codonopsis pilosula do not contain sulfur compounds. Sulfur smoked codonopsis pilosula emerges sulfur compounds which is harmful to human body and sulfur smoked codonopsis pilosula by washing can remove sulfur compounds.
Keywords:simultaneous distillation extraction,GC-MS,codonopsis pilosula
1 引言 3
2 实验部分 5
2.1 实验材料 5
2.2 仪器与试剂 5
2.3 党参中挥发性物质的提取方法和操作 5
2.4 GC-MC分析条件 5
3 结果与讨论 6
3.1 四种不同方法处理的党参挥发性成分分析 6
3.2未经硫磺熏党参和硫磺熏党参挥发性成分分析 11
3.3硫磺熏未水洗党参和硫磺熏水洗党参挥发性成分分析 12
结 论 13
参考文献 14
致 谢 15
1 引言
我国中草药生产历史悠久。在很久之前,我们祖先就用中草药治病,不同的中草药有不同的功效,党参就是中草药的一种。党参,又名黄参、上党人参、防党参,多年生草本植物。主要分布于东北、华北及陕西、宁夏、甘肃、青海、河南、四川、云南、西藏等与沙漠接壤的典型大漠干旱或戈壁滩上[1-2]。党参根略呈圆柱形、纺锤状圆柱形或长圆锥形,少分枝,长15-30cm,直径0.4-2cm。表面灰黄色至棕灰色,有不规则沟壑,疏生横长皮孔,上部分多环状皱纹,根头附近最密。根头有很多突起的茎痕和芽痕,呈现球状,一般被称为“狮子盘头芦”。质柔软或坚实,断面较平整,有的呈角质样,皮部较厚,黄白色至棕色,一般有缝隙,与木部交接的地方有深棕色的环,木部大约占根直径的1/3-1/2,淡黄色,有淡淡香,甜,嚼起来没有渣[3]。党参具有健脾益肺,补中益气,和胃生津等功效。可以治疗脾肺虚弱、心悸气短、食少便溏、虚喘咳嗽、内热消渴等症状,是我国传统的补益药,被称为人参的替代品[4]。