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[Study on quality analysis of essential oil from twig and leaf of Baeckea frutescens]
Bu-ming Liu1, Mao-xiang Lai, Kai-ni Liang
1Guangxi Institute of traditional Medical and Pharmaceutical Sciences, Nanning 530022, China. liubuming@tom.com
Objective:
To provide scientific methods for quality criterion by studying the chemical components of essential oil from Baeckea frutescens.
Method:
The chemical components of essential oil from B. frutescens were identified by GC-MS-DS, TLC and capillary GC. The relative contents of main components were determined by area normalization.
Result:
More than 50 peaks were separated, and 38 components were identified, which accounted for over 94% of the total GC peaks areas of the essential oil. The methods for quality evaluation of essential oil from B. frutescens by TLC and capillary GC were established.
Conclusion:
The chemical components of essential oil from B. frutescens collected from different habitats and collecting periods have common characteristics as well as differences. Some components, such as linalool, can be used as a standard and chromatography fingerprint to analyze the quality of essential oil from B. frutescens.
