桉油-《中国药典》

祛风止痛。用于皮肤瘙痒，神经痛。

【英文名】OLEUMEUCALYPTI

【来源】本品为桃金娘科植物蓝桉EucalyptusglobulusLabill.、樟科植物樟Cinnamomumcamphora（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。

【性状】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）。

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

浩瀚色谱（山东）应用技术开发有限公司，改进《中国药典》2015年版四部通则中桉油精含量测定方法,提高方法的适用性和普遍性。方法:以药典方法为基础,改进了气相色谱条件。结果:在浓度0.1016~12.6950 mg/mL范围内呈良好的线性关系(r=0.9997),方法的重复性良好(RSD=1.0%),精密度良好(RSD=0.5%),样品在24小时内稳定性良好,且回收率范围为99.1%~100.2%。结论:本方法操作简单,分离效果好,准确度高,结果可靠。
 

Eucalyptus oil - Chinese Pharmacopoeia
Eliminate wind and relieve pain. Used for skin itching and neuralgia.
[English name] OLEUMEUCALYPTI
【 Source 】 This product is a volatile oil obtained by steam distillation of Eucalyptus globulus Labill., a plant in the Myrtle family, Cinnamomum camphora (L.) Sieb., a plant in the Camphor family, or other plants belonging to the same family.
【 Appearance 】 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).
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
Haohan Chromatography (Shandong) Application Technology Development Co., Ltd. has improved the method for determining the content of eucalyptus oil in the General Principles of the 2015 edition of the Chinese Pharmacopoeia to enhance its applicability and universality. Method: Based on the pharmacopoeia method, the gas chromatography conditions were improved. Result: There was a good linear relationship (r=0.9997) within the concentration range of 0.1016~12.6950 mg/mL. The method had good repeatability (RSD=1.0%) and precision (RSD=0.5%). The sample was stable within 24 hours, and the recovery rate ranged from 99.1% to 100.2%. Conclusion: This method is simple to operate, has good separation effect, high accuracy, and reliable results.