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ID:34349262
大小:238.00 KB
页数:6页
时间:2019-03-05
《苦木不同部位挥发性化学成分的研究》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、苦木不同部位挥发性化学成分的研究杨再波1*,郭治友2,龙成梅1,毛海立1,孙成斌1(1.黔南民族师范学院化学与化工系,贵州都匀558000;2.黔南民族师范学院生命科学系,贵州都匀558000)[摘要]目的:应用气相色谱-质谱法(GC-MS)分析苦木不同部位的挥发性化学成分。方法:采用微波辅助顶空固相微萃取技术分别提取苦木叶柄、叶和枝的主要挥发性化学成分,用气相色谱-质谱法与Kovats色谱保留指数相结合进行定性定量分析。结果:从苦木的叶柄、叶片和枝中分别鉴定出84、76和60个组分,分别占挥发油总峰面积的97.247%、97.179%和97.141%,在叶柄中主要成分香芹酚(5.2
2、01%),麝香草酚(6.185%),反式-丁香烯(6.562%),α-佛手柑油烯(6.295%),反-β-金合欢烯(5.088%),枯茗醇(10.807%),β-甜没药烯(6.136%)。叶片中主要成分是反式-丁香烯(7.017%),α-佛手柑油烯(7.848%),反-β-金合欢烯(8.297%),枯茗醇(10.728%),β-甜没药烯(7.150%),(-)-石竹烯氧化物(5.094%)。而在枝中主要是反式-丁香烯(5.530%,α-佛手柑油烯(9.997%),反-β-金合欢烯(7.994%),枯茗醇(15.416%),β-甜没药烯(12.733%)。结论:苦木叶柄、叶和枝所含挥发
3、性成分差异较大。关键词:苦木;挥发性成分;微波辅助顶空固相微萃取;气相色谱-质谱StudyofVolatilechemicalconstituentsinDifferentPartsofPicrasmaquassioides(D.Don)Benn.YangZaibo1*,GuoZhiyou2,LongChengmei1,MaoHaili1,SunChengbin1(1.DepartmentofChemistryandChemicalEngineering,QiannanNormalCollegeforNationalities,DuyunGuiZhou558000,China;2.D
4、epartmentofLifeSciences,QiannanNormalUniversityforNationalities,Duyun,Guizhou,558000)[Abstract]Objective:ToanalyzeandcomparethevolatileconstituentswhichwereextractedfromthedifferentpartsofPicrasmaquassioides(D.Don)Benn.Method:ThevolatilecomponentswereextractedfromthedifferentpartsofPicrasmaquas
5、sioides(D.Don)Benn.bythemethodsofMAE-HS-SPMEandthechemicalcomponentsofthemwereidentifiedbyGC-MSandKovatsretentionindex.Result:84volatileconstituentsinthepetiole,76intheleafbladeand60inthebranchofPicrasmaquassioides(D.Don)Benn.wereseparatedandidentified.accountingfor97.247%、97.179%and97.141%ofth
6、etotalpeakareas,respectively.Whichisthemaincomponentinpetiolecarvacrol(5.201%),thymol(6.185%),trans-caryophyllene(6.562%),alpha-bergamotene(6.295%),trans-beta-farnesene(5.088%),cuminol(10.807%),beta-bisabolene6.136%).Andintheleafbladetrans-caryophyllene(7.017%),alpha-bergamotene(7.848%),trans-b
7、eta-farnesene(8.297%),cuminol(10.728%),beta-bisabolene(7.150%),(-)-caryophylleneoxide(5.094%).Andinthebranchtrans-caryophyllene(5.530%),alpha-bergamotene(9.997%),trans-beta-farnesene(7.994%),cuminol(15.416%),beta-bisabolene(12.733
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