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中文摘要：
采用水蒸气蒸馏法和浸泡法提取了两种不同产地防风中的挥发油，并用GCMS对所提取挥发油进行了成分分析。分别鉴定出了35种和43种成分，主要成分为3-苯基-2-丙烯醛、亚油酸乙酯、9，12-十八碳二烯酸、芹菜脑、人参醇、4-甲氧基-6-（2-丙烯基）-1，3二甲氧基苯等。结果表明，防风因产地不同、提取方法不同，其挥发油的成分有较大的差别。
英文摘要：
The volatile oil extracted from the saponikoviacata in different area by steam distillation and marinate methods were analyzed using GC-MS, and 35 and 43 kinds of chemical compounds of volatile oil were determined, respectively. The main components contain： 2-propenal-3-pheny, Linoleic acid ethyl ester, 9, 12-Octadecadienoicacid, Apiol, Falcarinol and 1,3-Benzodioxole,methoxy-6-（2-propenyl）. Results indicate that chemical constituents of the volatile oil of different production areas as well as different extraction methods varied greatly.
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