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按１９９５年版《中国药典》方法测定不同地区高良姜的挥发油含量，以及用环己酮作内标、程序升温毛细管气相色谱法测定挥发油中１，８－桉油素的含量。结果显示：不同地区高良姜的挥发油含量各有差异，在０．８４％～１．３０％之间，其主要成分１，８－桉油素含量为０．２６８％～０．５０１％，占挥发油的２９．８％～３９．８％。１，８－桉油素在２．７０９～６．５７４μｇ的范围内呈线性关系，γ＝０．９９９９，平均回收率为９９．３％（ｎ＝４，ＲＳＤ＝２．４％）。方法精密度高，重复性好，操作简便。
According to the 1995 edition of “Chinese Pharmacopoeia” method to determine the volatile oil content of Galangal in different regions, and the use of cyclohexanone as an internal standard, temperature-programmed capillary gas chromatography determination of volatile oil in 1,8 - quercetin content. The results showed that the volatile oil content of Galangal varied in different regions, ranging from 0.84% to 1.30%. The main components of 1,8-aranein content were 0.268% to 0.501%, accounting for 29.8% to 39.8% of volatile oil. 1,8-arbutin showed a linear relationship in the range of 2.709-6.574 μg, γ=0.9999, and the average recovery was 99.3% (n=4, RSD=2.4%). The method has high precision, good repeatability and easy operation.