...水蒸气蒸馏; 气相色谱-质谱联用法 [gap=823]Key words：Angelica polymorpha Maxim; Essential oils; Water-steam distillation; GC-MS ...
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Methods:Oral liquid was made by steam distillation, alcohol abstraction method, water abstraction and alcohol precipitation.
方法：分别采用水蒸气蒸馏法、醇提法、水提醇沉法制成口服液；
In order to improve the odour quality of cedar wood oil, the water distillation (over water boiler) should be replaced by steam distillation.
为改进柏木油香气质量，主张以水蒸汽蒸馏技术取代水上蒸馏法，不赞成用干馏法或“红锅”法来制取柏木原油。
Results: Bergapten wasn't extracted by ways of steam-input distillation and distillation of the material mixed with water.
结果：通水蒸汽蒸馏法和共水蒸馏法不能提取出佛手内酯。
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