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通过气相色谱法和气相色谱-质谱法对不同企业生产的各种规格长叶烯产品进行定性鉴别，利用气相色谱测定主要成分的相对含量（峰面积相对百分比），并对各项指标进行测定，针对长叶烯的质量标准提出建议，为长叶烯的开发研究提供参考。“,”The relative contents and main constituents of longifolene products from different enterprises and batches were ana-lyzed by GC and GC-MS. Their physical and chemical indicators were also determined. The proposal quality standard of longi-folene was suggested,which provided references for the development and research of longifolene.