Methods: The naphtha in Alpinia officinarum Hance was extracted and analyzed by GC to establish the fingerprint spectrum.
方法：收集不同地区的高良姜样品，提取挥发油并用气相色谱法进行分离分析，建立气相色谱指纹图谱；
The results were analyzed by similarity grade calculate method to compare the fingerprint difference of Alpinia officinarum Hance.
对不同高良姜样品计算相似度，量化各样品指纹图谱之间的差异。
The results were analyzed by similarity grade calculate method to compare the fingerprint difference of Alpinia officinarum Hance.
对不同高良姜样品计算相似度，量化各样品指纹图谱之间的差异。
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