Seamus Hammond
Absolutes are highly concentrated extracts from flowers or plants. They are similar to essential oils but are produced through solvent extraction rather than steam distillation. Absolutes are used in perfumery and aromatherapy due to their strong scent and are often billed as super notes in fragrance compositions. They are also thicker in consistency and amber in colour.
| Characteristics | Values |
|---|---|
| Extraction method | Solvent extraction |
| Raw material | Flowers or plants |
| Scent | Stronger than essential oils |
| Consistency | Thicker than essential oils |
| Colour | Amber-like |
| Pricing | More expensive than essential oils |
| Use | Perfume, aromatherapy |
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What You'll Learn
Absolute oils are derived from plants
Solvent extraction is often used for plants with aromatic molecules that are too heavy to be effectively distilled, such as jasmine and rose. These molecules are too large to appear in steam-distilled oils, but they will appear in absolute oils. For example, the distinctive aroma of jasmine is due to larger aromatic molecules that cannot be captured through essential oil steam distillation, which can only capture the lighter weight aromatic molecules. Similarly, rose oil is unique as it is available as both an essential oil and an absolute oil, with definite aromatic and compositional differences. Rose absolute has a true-to-rose aroma – very floral, sweet and soft – due to its richness in phenylethyl alcohol (PEA), a heavier molecule that gives roses their lovely scent.
Absolute oils are a more concentrated substance than essential oils, with a stronger scent, thicker consistency, and amber-like colour. They are commonly used in perfumery and aromatherapy for this reason. The process of solvent extraction also yields more oil than steam distillation, which is why rose essential oil is more expensive than rose absolute oil.
The traditional method of absolute extraction is called enfleurage, where the resulting pomade was extracted with ethanol to yield the absolute. Nowadays, plant material is extracted with a hydrocarbon solvent, such as hexane, to yield concrete. The concrete is then extracted with ethanol. The ethanol extract is cooled (e.g. to −15 °C) to solidify waxes, and cold-filtered to yield a liquid extract. When the ethanol evaporates, the absolute oil is left behind.
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They are extracted using a chemical solvent
Absolutes are highly concentrated extracts from flowers or plants. They are similar to essential oils but differ in their extraction process. While essential oils are produced through steam distillation, absolutes are extracted using a chemical solvent such as hexane or ethanol.
The process of extracting absolutes involves using a hydrocarbon solvent to extract the plant material. This results in a substance called concrete. The concrete is then extracted with ethanol, which is cooled to solidify any waxes. The mixture is then cold-filtered to yield a liquid extract. As the ethanol evaporates, an oil—the absolute—is left behind.
This method of extraction is gentler than steam distillation and is more effective at capturing the delicate substances of flowers like rose and jasmine. It also preserves the aromatic compounds that would otherwise be lost in steam distillation, resulting in a fragrance that is closer to its natural form. This makes absolutes superior in quality and more expensive.
Absolutes have a stronger scent, thicker consistency, and amber-like colour. They are commonly used in perfumery and aromatherapy due to their concentrated fragrance and therapeutic benefits. The process of extracting absolutes is more cost-effective than other methods, making them a popular choice for fragrance compositions.
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Absolute oils are highly concentrated
The process of solvent extraction involves using chemicals to extract the aromatic compounds from plant materials. While essential oils are also derived from plants, the steam distillation process they undergo captures only the lighter aromatic molecules. In contrast, solvent extraction can access heavier aromatic molecules, resulting in a more complex and intense fragrance.
Absolute oils have a thicker consistency and an amber-like colour, in contrast to the watery consistency and light colour of essential oils. They are often used in perfumery and fragrances due to their potent and long-lasting scents. The process of solvent extraction also yields more oil than steam distillation, making absolute oils more cost-effective in certain cases.
However, it is important to note that absolute oils contain trace amounts of solvents, which makes them unsuitable for internal use. While they are generally safe for external applications, such as in fragrances and aromatherapy, they should be used with caution and knowledge.
The concentration and potency of absolute oils make them a popular choice for creating intense and long-lasting fragrances. They capture the natural essence of the plant material more effectively than essential oils, providing a superior aromatic experience.
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Absolutes are used in holistic aromatherapy
Absolutes are highly concentrated, aromatic liquids extracted from plants. They are used in holistic aromatherapy, natural perfumery, and commercial fragrancing applications. Absolutes are not distilled in a still but are extracted using a chemical solvent. This method of extraction results in a stronger scent, thicker consistency, and amber colour. As a result, absolutes are often used in perfume.
While essential oils can be beneficial when taken internally, absolutes are avoided for internal use because they contain trace amounts of the solvent used in their extraction. Absolutes tend to be pricier, which can influence their usage within aromatherapy. Within holistic aromatherapy, absolutes are best used for their contribution to emotional and spiritual wellness and for enhancing the aroma of blends.
Absolutes are often used for their emotional and spiritual benefits. They can promote relaxation, reduce stress, and enhance mood. For example, jasmine absolute is known for its calming and soothing properties, while rose absolute is associated with emotional healing and improved mood.
The complex extraction process of absolutes also allows for the preservation of the plant's aromatic molecules, resulting in a more potent and true-to-nature fragrance. This makes absolutes ideal for use in aromatherapy, where the specific therapeutic properties of certain scents are harnessed.
Furthermore, the use of absolutes in holistic aromatherapy can enhance the overall experience of the practice. The rich and complex aromas of absolutes can create a deeper sense of immersion and engagement during aromatherapy sessions, making the experience more impactful and enjoyable for the user.
In conclusion, absolutes hold a significant place in holistic aromatherapy due to their strong scents, emotional and spiritual benefits, and ability to enhance the aroma of blends. Their unique extraction process and aromatic potency make them a valuable tool for practitioners of holistic aromatherapy.
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Absolutes are more expensive than essential oils
The solvent extraction process used for absolutes results in a more concentrated and viscous product with a richer and more complex scent profile. The inclusion of more aromatic compounds gives absolutes a stronger and longer-lasting fragrance. This makes them ideal for use in perfumes and fragrances, where a potent and long-lasting scent is desired.
In addition, absolutes tend to have a thicker consistency and an amber-like colour, in contrast to the lighter and clearer appearance of essential oils. The colour of absolutes is due to the presence of colourants, waxes, and other constituents that are extracted along with the aromatic compounds.
The higher concentration and complexity of absolutes also contribute to their higher price. They are often used in smaller quantities due to their potency, but their impact on the final product is significant. Absolutes provide a more intense and authentic fragrance experience, making them a popular choice for those seeking a distinctive and memorable scent.
Furthermore, certain plant materials are better suited for solvent extraction used in absolutes, such as delicate flower petals. The steam distillation process can be detrimental to these delicate plants, producing an oil with an undesirable aroma or lower quality. The suitability of solvent extraction for a wider range of plant materials also contributes to the higher cost of absolutes.
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Frequently asked questions
Absolute fragrances are highly concentrated extracts from flowers or plants. They are similar to essential oils but are extracted using a solvent such as hexane or ethanol, whereas essential oils are produced through steam distillation.
Absolutes are more concentrated and have a stronger scent than essential oils. They also have a thicker consistency and an amber colour. Essential oils have a lighter scent and a watery consistency.
Absolutes are extracted using a chemical solvent to extract the aromatics from the plant material. The solvent is removed during the final stages of production, although a tiny trace amount may remain.
The solvent extraction method used for absolutes is more effective at capturing delicate substances, such as rose and jasmine, and preserving the "natural" form of the original ingredient. This makes absolutes ideal for use in fragrances and perfumes.
Absolutes are generally safe to use but should be used with care and knowledge. They are not intended for internal use due to the trace solvent they contain.
