顶空固相微萃取—气质联用法分析九香虫的挥发物成分
2017-03-21付惠惠田广飞王长欢顾丁侯晓晖
付惠惠+田广飞+王长欢+顾丁+侯晓晖
摘要:分析九香虫(Aspongopus chinensis)挥发物的化学组成及各组分的相对含量,可为九香虫的开发利用提供科学依据。采用顶空固相微萃取(HS-SPME)法提取采自遵义正安九香虫的挥发物,用气相色谱-质谱联用仪(GC-MS)对该挥发物进行分析鉴定,并采用面积归一法确定其各成分的相对含量。结果表明,九香虫挥发物共含有29种成分,其中醛类8种、烷类4种、酸类4种、烯酸类2种、酯类2种、醇类1种及胺类、呋喃类、吡唑类、吡啶类等化合物成分;而相对含量较高的是十三烷、十二烷、3-己烯酸和反-2-己烯醛,分别占总量的92.297%、2.712%、2.262%和0.564%。九香虫挥发物主要由烷类物质所构成。
关键词:九香虫(Aspongopus chinensis);挥发性物质;固相微萃取;气质联用
中图分类号:Q969.35 文献标识码:A 文章编号:0439-8114(2017)03-0545-03
DOI:10.14088/j.cnki.issn0439-8114.2017.03.039
Analysis on Volatile Components of Aspongopus chinensis by HS-SPME and GC-MS
FU Hui-hui, TIAN Guang-fei, WANG Chang-huan, GU Ding, HOU Xiao-hui
(Zunyi Medical University, Zunyi 563000, Guizhou, China)
Abstract: The chemical composition and content of each component of volatile substances in Aspongopus chinensis Dallas was analyzed to provide scientific basis for its exploitation and utilization. Volatile substances of Aspongopus chinensis from Zheng′an were obtained by headspace solid-phase micro-extraction,and then analyzed and identified by GC-MS,to determine the contents of volatile components with area normalization method. The results showed Aspongopus chinensis was composed of 29 volatile components,in which there were eight kinds of aldehyde,four kinds of alkanes,four kinds of acid,two kids of gadoleic acid,two kinds of esters,one kind of alcohol,and amines,furan,pyrazole,pyridine and some other compounds,the content of tridecane,dodecane,3-hexenoic acid and(E)-2-hexanal was relatively high,and accounted for 92.297%,2.712%,2.262% and 0.564% of the total respectively. The volatile substances of Aspongopus chinensis were mainly constituted of alkanes materials.
Key words: Aspongopus chinensis Dallas; volatile substances; solid-phase micro-extraction; GC-MS
九香虫(Aspongopus chinensis)是一种蝽科(Pentatomidae)药食两用昆虫,主要分布于中国南部地区[1-3],在慢性肾病、勃起障碍、疼痛及癌症等方面均具有一定的疗效[4-7];此外,由于其含有多种脂肪酸、蛋白质、氨基酸、几丁质及微量元素[8,9],所以也是一种独具地方特色的保健食品[2]。近年来,从九香虫中分离出30余种天然活性成分,包括内酰胺、去甲肾上腺素衍生物、倍半萜化合物等[2,4],应用到多种疾病的治疗机制探究当中。文献所报道的九香虫挥发性成分仅见于检测九香虫的防御性物质[3],为了更好地了解其化学成分组成,研究采用固相微萃取法提取九香虫挥发物,并用GC-MS联用仪进行分析和鉴定,以便进一步了解九香虫的挥发性成分。
1 材料与方法
1.1 材料
九香虫采自贵州省遵义市正安县。……
