What are two other methods to extract essential oils apart from steam distillation? Describe each.

Expert Solution

There are many different ways to extract essential oils

Enfleurage.
Expressed Oils.
Steam Distillation.
Solvent Extraction.
Fractional Distillation and Percolation.
Carbon Dioxide Extraction.
Phytonic Process.

Supercritical fluid extraction or carbon dioxide extraction is also a fairly new solvent extraction process that uses carbon dioxide at very high pressure. The carbon dioxide is injected into the tank where the plant material is contained and acts as a solvent to extract the oil.

The carbon dioxide is colourless and odourless liquid and can be completely removed which is a good thing; however, there is no research at this point to verify if there are any effects of using this procedure.

Additionally, the distilling equipment is extremely expensive. So until more is known about this process, it is advised to use only steam distilled and expressed oils!

The Phytonic process is one of the newest methods of extracting essential oils using non-CFCs (non-chlorofluorocarbons). It is also called Florasol Extraction and the oils are referred to as phytols

queen_honey_blossom answered 1 year ago

discuss how steam distillation works to extract essential oils?

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