Abu-Lafi Saleh, Odeh Imad, Dewik Hasan, Qabajah Mohammed, Imam Amin, Dembitsky Valery M, Hanus Lumir O
Chemistry and Chemical Technology Department, P.O. Box 20002, Al-Quds University, Abu-Deis, Palestine.
Biomed Pap Med Fac Univ Palacky Olomouc Czech Repub. 2007 Jun;151(1):21-9. doi: 10.5507/bp.2007.004.
A comparative analysis by using static headspace (HS) and steam distillation (SD) GC-MS of the volatile and the semi-volatile secondary metabolites from leaves of cultivated Majorana syriaca.
The essential oils endogenous to cultivated thyme were isolated and identified by HS-GC-MS technology and compared to those from SD-GC-MS.
The HS-GC-MS results showed that the Palestinian cultivated thyme is rich in monoterpene hydrocarbons and phenolic monoterpenes such as alpha-phellandrene, alpha-pinene, beta-myrcene, m-cymene, p-cymene, gamma-terpinene, thymol and carvacrol. In all the samples gamma-terpinene, p-cymene, thymol and carvacrol were the most abundant compounds.
HS and SD-GC-MS have proved that most of the cultivated thyme samples examined has thymol isomer as the major phenolic constituent.
采用静态顶空（HS）和水蒸气蒸馏（SD）气相色谱-质谱联用技术，对栽培叙利亚牛至叶片中的挥发性和半挥发性次生代谢产物进行比较分析。
采用HS-GC-MS技术分离并鉴定栽培百里香中的挥发油，并与SD-GC-MS的结果进行比较。
HS-GC-MS结果表明，巴勒斯坦栽培百里香富含单萜烃类和酚类单萜，如α-水芹烯、α-蒎烯、β-月桂烯、间伞花烃、对伞花烃、γ-松油烯、百里香酚和香芹酚。在所有样品中，γ-松油烯、对伞花烃、百里香酚和香芹酚是含量最高的化合物。
HS和SD-GC-MS已证明，所检测的大多数栽培百里香样品以百里香酚异构体作为主要酚类成分。
