采用气相色谱-质谱联用技术(GC - MS)分析比较了超临界流体萃取法、水蒸气蒸馏法、索氏提取法及超声提取法所得提取物中的挥发性化学成分，分别鉴定出37,45,27及37种化学成分。
The volatile compounds of extracts obtained by SFE, steam distillation, soxhlet extraction and ultrasound extraction were analyzed by GC-MS. 37, 45, 27 and 37 compounds were identified respectively.
目的建立超临界流体萃取（SFE）技术和毛细管气相色谱（CGC）非在线联用技术，测定中成药腰痛片中的主要成分。
OBJECTIVE To establish a method based on the off-line coupling of SFE and CGC for quantitative analysis of the major components in anti-lumbago tablets.
目的建立超临界流体萃取（SFE）技术和毛细管气相色谱（CGC）非在线联用技术，测定中成药腰痛片中的主要成分。
OBJECTIVE To establish a method based on the off-line coupling of SFE and CGC for quantitative analysis of the major components in anti-lumbago tablets.
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