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风油膏的主要成分为薄荷脑、樟脑、水杨酸甲酯等。其处方为薄荷脑310g,樟脑30g,水杨酸甲酯200g,桉油15g,丁香油12.5g,香料110g,叶绿素2.5g,加基质适量使成1000g。原鉴别采用有机点滴反应,但因上述物质化学结构的母核相同,并多具有酚羟基而使化学鉴别专属性太差。作者基于风油膏中各组分沸点低,易挥发,采用气相层析法,只需在较低的柱温下,就能得到较好的分离效果,并可用保留时间值分别鉴定其主要成分。实验结果表明,该法简便快速可靠。
The main components of ointment are menthol, camphor, methyl salicylate and so on. The prescription for the menthol 310g, camphor 30g, methyl salicylate 200g, eucalyptus oil 15g, clove oil 12.5g, spices 110g, chlorophyll 2.5g, plus substrate amount to make into 1000g. The original identification using organic drip response, but because of the chemical structure of the mother of the same core, and more with the phenolic hydroxyl and chemical identification of poor specificity. Based on the low boiling point of the components in the wind cream, volatile, gas chromatography, only at lower column temperatures, will be able to get a better separation effect, and the retention time values were identified the main components . The experimental results show that the method is simple, fast and reliable.