桉油，中药材名。本品为桃金娘科植物蓝桉 Eucalyptus globulus Labill.、樟科植物樟Cinnamomum camphora （L.） Sieb. 或上述两科同属其他植物经水蒸气蒸镏得到的挥发油。功能主治为:祛风止痛。用于皮肤瘙痒，神经痛。

　　本品为无色或微黄色的澄清液体；有特异的芳香气，微似樟脑，味辛、凉；贮存日久，色稍变深。本品在70％乙醇中易溶。相对密度应为0.895～0.920（附录ⅦA）。折光率应为1.458～1.468（附录ⅦF）。

　　浩瀚色谱（山东）应用技术开发有限公司应用气相色谱法测定桉油中桉油精的含量,结果与中国药典法测定结果基本一致。该法操作简便,快速准确,且样品用量少,变异系数小于0.52%。

　　名称:填充柱

　　固定相:5%苯基-甲基聚硅氧烷

　　规格:2m*1/8

　　型号:10%SE-54/CWA

　　应用:药典桉油分析 气相色谱法

　　Eucalyptus oil, the name of a traditional Chinese medicine ingredient. This product is from Eucalyptus globulus Labill., a plant in the family Myrtle, and Cinnamomum camphora (L.) Sieb., a plant in the family Camphor Or volatile oils obtained from steam distillation of other plants belonging to the same family as mentioned above. The functional indications are: dispelling wind and relieving pain. Used for skin itching and neuralgia.

　　This product is a colorless or slightly yellow clear liquid; Has a unique aromatic aroma, slightly resembling camphor, with a spicy and cool taste; After being stored for a long time, the color slightly darkens. This product is soluble in 70% ethanol. The relative density should be between 0.895 and 0.920 (Appendix VII A). The refractive index should be between 1.458 and 1.468 (Appendix VII F).

　　Haohan Chromatography (Shandong) Application Technology Development Co., Ltd. used gas chromatography to determine the content of eucalyptus oil in eucalyptus oil, and the results were basically consistent with those determined by the Chinese Pharmacopoeia method. This method is easy to operate, fast and accurate, with a small sample size and a coefficient of variation of less than 0.52%.

　　Name: Filler Column

　　Fixed phase: 5% phenyl methyl polysiloxane

　　Specification: 2m * 1/8

　　Model: 10% SE-54/CWA

　　Application: Pharmacopoeia Eucalyptus Oil Analysis Gas Chromatography Method