超声辅助-GC-MS联用分析斯里兰卡桂叶油挥发性成分

Analysis of Volatile Components in Cinnamon Leaf Oil of Sri Lanka by Ultrasonic Assisted Extraction and Gas Chromatography-mass Spectrometry

采用超声辅助萃取结合气相色谱-质谱联用法(Gas chromatography-mass spectrometry,GC-MS)分析斯里兰卡桂叶油中挥发性成分。结果表明,①斯里兰卡桂叶油中共检测出32种挥发性成分,包含烯烃类、酚类、酯类、醇类、醛酮类、杂环类化合物;②其中酚类化合物总含量最高,为23.05 mg/g,占总挥发性物质的81.10%;③斯里兰卡桂叶油中含量较高的物质为丁香酚(23.05 mg/g)、苯甲酸苄酯(1.04 mg/g)、芳樟醇(0.53 mg/g)、氧化石竹烯(0.43 mg/g)、反式肉桂醛(0.15 mg/g)。

The analysis of volatile components in Sri Lanka guileaf oil using ultrasound-assisted extraction coupled with gas chromatography-mass spectrometry(GC-MS)revealed that:①A total of 32 volatile components were detected in Sri Lanka guileaf oil,comprising phenolics,esters,alkenes,alcohols,aldoketones,heterocyclic compounds;②The total content of phenolic compounds was the highest,23.05 mg/g,accounting for 81.10%of the total volatile substances;③The substances with higher content in Sri Lanka cinnamon leaf oil were eugenol(23.05 mg/g),benzyl benzoate(1.04 mg/g),linalool(0.53 mg/g),caryophyllene oxide(0.43 mg/g)and trans-cinnamical(0.15 mg/g).