Fingerprint Analysis of Essential Oils from Citrus Plants
The essential oils of grapefruit,bergamot,lemon,citrus,sweet orange and pomelo were analyzed by gas chromatography-mass spectrometry(GC-MS).The results showed that a total of 19 components were detected in 6 citrus essential oil samples,which were mainly terpenes,alcohols,aldehydes,esters,ketones and phenols,and the contents of terpenes,alcohols and aldehydes were higher.The common components of the six citrus essential oils were α-pinene,β-laurene,D-limonene,etc.,and different citrus essential oils also contained unique components,which was one of the factors contributing to the different qualities of citrus essential oils.
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