Determination of volatile components in Baicao Oil

AIM: To establish a method of determining the content of volatility contents in Baicao Oil. METHODS: The content of menthol, cinnamaldehyde, and eugenol were determined by gas chromatography. RESULTS: Menthol, cinnamaldehyde, and eugenol were well separated and the linearity was fine with the recovery in the range of 98%-102%. CONCLUSION: The method is rapid, stable and accurate. It can be used to control the quality of this preparation.