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Extraction of essential oil: from plant to bottle


Essential oils play a pivotal role in the world of holistic well-being and natural remedies. These concentrated extracts, renowned for their aromatic and therapeutic properties, undergo a meticulous process before becoming essential oils. Essential oil extraction is an intricate process. There are several different ways of doing it, from traditional methods to cutting-edge technologies.


Steam Distillation

Centuries ago, our ancestors discovered the art of extracting the essence of plants to use in perfumery, rituals, or medicine.

Steam distillation is one of the oldest and most popular extraction techniques. It is a method of separating volatile compounds from plant material using steam. The process relies on the principles of evapouration and condensation, harnessing the power of water vapour to carry essential oils from the plant to a collection vessel. The result is a concentrated aromatic liquid that preserves the plant’s essence. As the team rises through the plant material, it gently breaks down the cell walls, releasing the essential oils and other important compounds. The heat from the steam aids in vapourising aromatic molecules, creating a vapour that carries the plant essence along with it.

Steam distillation is a versatile technique employed in the extraction of essential oils from a diverse array of plants. From the soothing lavender to the zesty fresh citrus, this method has proven to be one of the most effective and gentle.


The cold pressing method

Cold pressing is another traditional method. It is mainly used to extract essential oils from fruits, seeds, and peels. Unlike other extraction techniques that involve heat or chemical processes, cold pressing relies on mechanical pressure to release the aromatic compounds. This low-temperature approach is great. It is necessary to preserve the delicate nuances and therapeutic properties of the material.

Whether it is citrus fruits, nuts, or seeds, the chosen botanicals are subjected to mechanical pressure to rupture the oil-contained glands. This pressure may come from a hydraulic press, screw press, or other specialised equipment designed to coax the essential oils without compromising their integrity.

One of the key advantages of cold pressing lies in its ability to yield essential oils with a high degree of purity.


The art of enfleurage and expression technique

Enfleurage, derived from the French word “enfleurer,” meaning to perfume, is an extraction method that relies on the absorption properties of odourless fats to capture the aromatic compounds of flowers. It is traditionally used for delicate blooms like jasmine, tuberose, and rose.  Enfleurage is a labour-intensive process that requires patience, skill, and great knowledge of the blooms.

There are two main stages of the process: cold and hot enfleurage.

First, the petals are spread over a layer of odourless fat, which absorbs the flower compounds over an extended period of time.

After the fat is saturated with floral essence, it is gently heated to encourage the separation of the essential oil from the fat. After that, it is carefully washed with alcohol to extract the concentrated fragrance.

This method is particularly suited for flowers with fragile aromas that may be compromised by traditional distillation methods.


Modern Technologies: Redefining Extraction

As technology advances, so does the ability to refine the extraction process. There are several new extraction methods that have evolved over the years.

Supercritical Fluid Extraction (SFE) is one of them. This method utilises CO2 in its supercritical state—neither liquid nor gas—to extract essential oils. The advantage of it lies in its ability to yield oils without leaving residual solvents and at lower temperatures, preserving the delicate aromas.

Another modern method is microwave-assisted extraction (MAE). MAE employs microwaves to heat the plant material, accelerating the extraction process. The targeted and controlled application of microwaves enhances efficiency, reducing extraction times while maintaining oil quality.



In the captivating realm of essential oil extraction, the journey from plant to bottle unfolds like a story blending tradition, innovation, and deep love for nature. Whichever method, it requires a lot of skill and care to bring out the botanical treasures while ensuring that each drop of the essential oil is pure and potent.

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