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Ways of Extracting Essential Oils From Plants


ssential oils used in aromatherapy are extracted from flowers, roots, barks and leaves of the plants. The procedure from which the essential oil is extracted from the plant material is known as distillation. The process of distillation is very lengthy but ensures the extraction of the oil without affecting its quality.

What is Distillation?

Distillation refers to extracting the required component from the liquid through the process of heating and condensation.

According to Wikipedia, "Distillation may result in essentially complete separation (nearly pure components), or it may be a partial separation that increases the concentration of selected components of the mixture. In either case, the process exploits differences in the volatility of mixture's components."

Ways of Distilling Essential Oils

Water Distillation

Firstly, water is poured into a container, and then the other raw material is placed into it for boiling. As oil and water are insoluble substances, oil gets separated from the water. Then the separated oil is stored in a container for further usage. It may sound simple, but it is actually a tedious process that consumes a lot of time. The method helps to maintain the properties of the oil because water prevents it from overheating and hence, restricts the evaporation of the beneficial components in it. So, if you are looking for organic and cheap essential oil, this method of distillation may come to your rescue.

Steam+Water Distillation

The water and steam together will push the oil out of its plant and by there, the essential oil is gathered, leaving the steam behind.

Steam Distillation

In this process the extracts of the plant are placed in a container and a lid is put on it so that the steam do not evaporate. The extracts are steamed as long as it starts releasing oil.

It is vital to control the temperature while following this method. The temperature must be set accordingly. It must be enough for the extracts to release the essential oil and not to burn it.

After the steaming process gets over, the steam containing essential oil is condensed by passing it through a specialized cooling system. The steam that is condensed forms a liquid from where water is separated from the oil.

This process is very cumbersome, and a slight amount of oil is extracted from tons of plant materials.

Hydro Diffusion

With hydro diffusion, the steam is fed in from the top onto the

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