摘要：本论文以平阴玫瑰精油作为主要研究对象，为了对平阴玫瑰精油的化学成分进行定性、定量分析以及对平阴玫瑰精油和苦水玫瑰精油的特征香气成分进行分离鉴定，实验中使用了气相色谱-质谱联用技术结合气相色谱-嗅闻技术。色谱条件如下：载气为氮气，流速是0.5ml/min，程序升温：初始温度为80℃并保持5min，再以2℃/min的速度升温至220℃，并保持20min。通过这种方案，检测出十种平阴玫瑰精油的主要化学成分，在这十种成分中醇类化合物有五种、酚类化合物有两种、醚类化合物有一种、醛类化合物有一种，其中香茅醇、甲基丁香酚和香叶醇的含量最多。由此得知，醇类化合物是平阴玫瑰精油的主要化学成分。此外，通过气相色谱-嗅闻技术检测出对玫瑰花香气贡献最大的主要化学成分为庚醛、庚醇、香茅醛和甲基丁香酚。43791
毕业论文关键词： 平阴玫瑰精油；GC-MS；GC-O；
Analysis and Research of Pingyin Rose Essential Oil
Abstract: Pingyin rose essential oil is the main object of study in this paper, in order to get the chemical constituents of essential oil of Pingyin rose by qualitative and quantitative analysis and characteristic aroma components of Pingyin rose essential oil and Kushui rose essential oil, experiments using gas chromatography - mass spectrometry(GC-MS) technique combined with gas chromatography olfactometry(GC-O) technique. The chromatography conditions are as follows: carrier gas is nitrogen, the velocity is 0.5ml/min, temperature programming: the initial temperature is 80 degrees and keep 5 min, and then the temperature of 2 /min to 220 degrees and keep 20min. Through this method, we find ten main chemical compounds of Pingyin rose comprising alcohols(5), phenolic(2), esters (1), and aldehyde(1), and the contents of citronellol, geraniol and methyl eugenol are the most. It is known that alcohol compounds are the main chemical components of Pingyin rose essential oil. In addition, by GC-O, we know the greatest contribution to the scent of roses and the main chemical components is heptanal, heptanol, citronellal, and methyl eugenol.
Key words: Pingyin rose essential oil；GC-MS；GC-O；
目 录
1 前言 1
1.1 玫瑰的介绍 1
1.1.1 玫瑰的种类及其介绍 1
1.1.2 平阴玫瑰 1
1.1.3 玫瑰的价值 1
1.1.3.1 文化价值 2
1.1.3.2 观赏价值 2
1.1.3.3 药用价值 2
1.2 玫瑰精油的提取方法 3
1.2.1 玫瑰精油的概论 3
1.2.2 蒸馏法 3
1.2.3 分子蒸馏技术 3
1.2.4 超临界CO2技术 3
1.2.5 亚临界CO2技术 3
1.3 玫瑰精油的分析研究技术 4
1.3.1 有机分析的概论 4
1.3.2 气相色谱 4
1.3.3 质谱 4
1.3.4 气相色谱-嗅闻法 5
1.4 玫瑰精油的成分 5
1.5 玫瑰精油的相关法规 6
1.6 课题研究的目的和意义 6
2 实验内容 8 平阴玫瑰提取物分析研究:http://www.youerw.com/huaxue/lunwen_44808.html