Studies on Volatile Constituents in Ginger Extracted by Two Methods

The volatile oils of ginger were extracted by the distillation.extraction and the simultaneous distillation extraction method,the components were separated by gas chromatography and identified by mass-spectrometry respectively.30 chemical components and 23 chemical components were identified by gas chromatography-massspectrometry(GC-MS) method respectively.The contents of the identified compounds make up 98.24% and 97.99% of the total volatile substances detected respectively.The compounds from the volatile oils extracted by the two methods is different,the higher chemical components in the volatile oils are beta-phellandrene,camphene,borneol,citral and zingiberene.