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Various extraction methods are used in the manufacture and extraction of essential oils, and the method used is normally dependant on what type of botanical material is being used.
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It is the type of plant material that determines which method will be used to obtain the essential oil. But there are exceptions - for instance - CO2 is a great way to extract most oils, but the cost involved in following this method, would place it out of the financial reach of most people.
Although the extraction of essential oils may sound only to be of technical interest, it is one of the key points which determines the quality of the oil that is used, since a wrong, or wrongly executed extraction, can damage the oil, and alter the chemical signature of the essential oil.
Underneath a list and short explanation of the different extraction methods used in the manufacture of essential oils as found on this website.
- More information is available on each type of extraction method by simply clicking the hyperlink in question.
- Distillation converts the volatile liquid (the essential oils) into a vapor and then condenses the vapor back into a liquid - it is the most popular, and cost effective method in use today in producing essential oils.
- Other specialized distillation
- Expression is a cold pressed method of extraction, which is mostly used in the extraction of citrus essential oils.
- With solvent extraction, solvents are used to coax the essential oils out of the botanical material, and various ways are also employed.
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