Comparison Study of Different Methods for Extracting Volatile Oil from Bergamot

Objective: To test different methods for extracting volatile oil from bergamot.Methods: The determination of bergapten was carried out by RP-HPLC.Four different ways of organic solvent extraction,steam-input distillation,distillation of the material mixed with water and press extraction were compared.Results: Bergapten wasn't extracted by ways of steam-input distillation and distillation of the material mixed with water.Conclusion: The steam distillation extraction can be taken to extract volatile oil from bergamot for protecting humans′ skins.