Essential oil extraction methods are the methods used to extract essential oils from plants. Common essential oil extraction methods include water vapor distillation, freezing and compression (pressing), chemical solvent extraction, oil separation (liposuction), carbon dioxide extraction, and immersion.

1. Water distillation

Water distillation is the need to distill the material on the sieve plate in the distillation pot, the sieve plate below the filling of water, the level of water in order not to touch the material as well. You can use the fire to directly heat the water in the pot, so that it produces steam to achieve the purpose of distillation.

2, cold-pressing method

Cold-pressing method is a kind of manual or machine will be the peel extrusion, extraction of essential oils extraction method. The vast majority of citrus essential oils, such as orange, bergamot, grape sleeve, lemon, are used in this method of extraction, because most of the citrus essential oils are unable to resist the heat of distillation, will be in the process of extraction to destroy its essential components. Currently, the extraction of essential oils from fruit peels is mostly replaced by the cold-pressing method of machines.