摘要
采用水蒸气蒸馏法、溶剂萃取法、超临界CO2萃取法提取玫瑰精油,采用气质联用技术对精油进行成分分析,结果表明,超临界CO2萃取法得到的玫瑰精油共有56种成分,以高级醇类和酯类为主,其中酯类相对质量分数是3种方法中最高的,为13%,特征清香成分相对质量分数为4.568%,总体上香气甜而饱满,拥有厚重优雅的底香,油脂味很淡,清香气息相对突出;水蒸气蒸馏工艺玫瑰精油含有60种成分,以高级醇类为主要成分,相对质量分数高达74.492%,主体香气成分相对质量分数最高,为72.057%,但苯乙醇的相对质量分数却只有0.711%,气息虽然香甜,但略显单薄,缺少蜜样香气;溶剂萃取玫瑰精油含有48种成分,以高级醇类和酯类为主要成分,烷酮类的相对质量分数较高,达到4.257%,所以油脂味较重,清香气息不突出,天然感较差.
With the purpose of comparing the quality of rose essential oils extracted by the methods of steam distillation,solvent extraction,and supercritical CO2 extraction,the essential oil compositions were analyzed by GC-MS.The results show that there are 56 components in the supercritical CO2 extraction oil,with higher alcohols and esters as the main ingredient,and its ester content was the highest among the three kinds of oil,up to 13%.Besides its characteristic fragrance ingredients were as high as 4.568%.Its fragrance was sweet and full,and has a heavy elegant bottom fragrance,of which the fatty odor was very light,while a faint scent was prominent.The essential oil obtained by the steam distillation extraction method has 60 components,with higher alcohols as the main ingredient,up to 74.492%,and its main aroma components were the highest,which was 72.057%,but its phenylethanol aroma content was only 0.711%,which made it give a sweet smell,but slightly thin,with the lack of the honey-like aroma.The essential oil obtained by the solvent extraction method has 48 components,with higher alcohols and esters as the main ingredient.Its flavanone class was relatively high,reaching 4.257%.Therefore its fatty odor was heavy,while the fragrance flavor was not outstanding,with a poor natural sense.
出处
《精细化工》
EI
CAS
CSCD
北大核心
2010年第11期1094-1099,共6页
Fine Chemicals
基金
山东省科技厅攻关项目(620408)~~
关键词
玫瑰精油
成分分析
香气差异
香料与香精
rose essential oil
component analysis
aroma differences
perfumes and essences
