广西产龙眼叶及花挥发油成分气质联用分析

目的: 采用GC/MS分析广西产龙眼叶及花挥发油的成分。 方法: 采用水蒸气蒸馏法分别提取广西产龙眼叶和龙眼花中的挥发油,并通过GC/MS技术对龙眼叶和龙眼花的挥发油成分进行分析。 结果: 龙眼叶和龙眼花挥发油得率分别为0.35%和0.20％,龙眼叶挥发油共鉴定出了39个化合物,占挥发油总成分的96.2%;龙眼花挥发油共鉴定出了32个化合物,占挥发油总成分的97.01%。 结论: 该法简便、快速、灵敏度高,为合理使用龙眼叶和花提供一定的科学依据。

Study on Chemical Constituents of Volatile Oil from Leaves and Flowers of Dimocarpus longan in Guangxi by GC/MS

Objective: To Analyze the chemical constituents of volatile oil from the leaves and flowers of Dimocarpus longan in Guangxi. Method: The volatile oil was extracted from the leaves and flowers of D. longan . by steam distillation. The constituents of volatile oil were identified by GC/MS technology. Result: The yield of the collected volatile oil of the leaves and flowers of D. longan was 0.35%, 0.20%, repectively. 39 compounds constituting 96.2% of the oil of leaves were identified. 32 compounds constituting 97.01% of the oil of flowers were identified. Conclusion: The GC/MS is a simple, rapid and sensitive method. It can provide a scientific basis for rational use of the leaves and flowers of D. longan in Guangxi.