Objective: to study the chemical constituents of the essential oil of Inula helenium L. were extracted by steam distillation (SD) and supercritical-CO2 fluid (SFE).
目的：研究土木香挥发油的化学成分，并比较水蒸气蒸馏提取(SD)与超临界CO2萃取(SFE)所得土木香挥发性成分的差异。
Objective The essential oils from Nepeta cataria L. were extracted by steam distillation. Methods The chemical constituents were analyzed by GC-MS.
目的采用水蒸气蒸馏法从荆芥中提取挥发油。
METHODS:The steam distillation was used to prepare the volatile oil from the rhizome and root of Acorus calamus L .
方法采用水蒸气蒸馏法分别提取水菖蒲根状茎和根挥发油，采用气相色谱- 质谱联用技术进行分析鉴定。
METHODS:The steam distillation was used to prepare the volatile oil from the rhizome and root of Acorus calamus L .
方法采用水蒸气蒸馏法分别提取水菖蒲根状茎和根挥发油，采用气相色谱- 质谱联用技术进行分析鉴定。
应用推荐