Using the GC/MS instrumental method, the main components of the rose ethereal oil are determined.The true and the false of this kind of oil can be judged according to the method.

• 利用GC/MS仪器分析法，通过对市售玫瑰花精油化学成份的分析，确定了该油品的主要成份，并以此与国内外出品的同类油品化学成份的比较，可判断出该油品的真伪.