采用3种萃取纤维头的顶空固相微萃取法 萃取荜茇果穗挥发性成分

采用顶空固相微萃取法萃取荜茇果穗挥发性成分,并用GC-MS进行分析.3种萃取纤维头共萃取出49个成分,鉴定出42个成分.使用DVB/CAR/PDMS萃取纤维头时共检测出36种成分,解析鉴定出占总成分99.834%的35种成分,主要成分为β-石竹烯(17.933%)、β-毕澄茄油烯(15.892%)、十五烷(8.285%)、β-芹子烯(6.673%)和β-反式罗勒烯(6.166%)等;使用CW/DVB萃取纤维头时共检出40种成分,解析鉴定出占总成分99.622%的36种成分,主要成分为β-毕澄茄油烯(26.241%)、β-石竹烯(19.650%)、十五烷(8.523%)、β-芹子烯(6.572%)和十三烷(5.037%)等;使用CAR/PPMS萃取纤维头时检出38种成分,解析出占总成分99.515%的35种成分,主要成分为β-石竹烯(17.858%)、β-毕澄茄油烯(17.804%)、十五烷(8.409%)、β-芹子烯(6.485%)和十三烷(5.940%)等.

Extraction of Volatile Compositions From Long Pepper by HS-SPME With Three Kinds of Fiber

Three kinds of HS-SPME fiber were used to extract the volatile compositions of long pepper in this paper,which were analyzed by GC-MS.Fourty-nine constituents were extracted by the three kinds of fiber in total,and 42 compounds were identified.Thirty-six compounds were separated by using DVB/CAR/PDMS fiber,and 35 constituents(99.834% of the total) were identified.The major compositions were β-Caryophyllene(17.933%),β-Cubebene(15.892%),Pentadecane(8.285%),β-Eudesmene(6.673%) and β-trans-Ocimene(6.166%).Fourty compounds were separated by using CW/DVB fiber,and 36 constituents(99.622% of the total) were identified.The major compositions were β-Cubebene(26.241%),β-Caryophyllene(19.650%),Pentadecane(8.523%),β-Eudesmene(6.572%) and Tridecane(5.037%).Thiry-eight compounds were separated by using CAR/PDMS fiber,and 35 constituents(99.515% of the total) were identified.The major compositions were β-Caryophyllene(17.858%),β-Cubebene(17.804%),Pentadecane(8.409%),β-Eudesmene(6.485%) and Tridecane(5.940%).