
· By Lisa Swain
From Plant to Pill: How Essential Oils Inspire Modern Medicine
Essential oils, the concentrated aromatic liquids extracted from plants, have been used for centuries for their therapeutic properties. But did you know they also play a role in the development of some modern medicines?
While there isn't a definitive count of medications directly derived from essential oils, their chemical structures serve as inspiration for many pharmaceutical drugs. Here's how:
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Chemical Blueprints: Essential oils are a complex mix of organic compounds. By analyzing these components, scientists can identify molecules with interesting medicinal properties. These natural molecules act as a starting point for designing synthetic drugs with similar or improved effects.
- Targeted Tweaks: Natural molecules often have limitations. They might be difficult to isolate in pure form, have unwanted side effects, or break down quickly in the body. Pharmaceutical companies use the essential oil's structure as a base and modify it to address these issues. This can lead to more potent, stable, and easily absorbed medications.
Examples of Inspiration:
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Aspirin: The active ingredient in aspirin, acetylsalicylic acid, is a synthetic derivative of salicin, a compound found in willow bark. Willow bark tea has been used for centuries to relieve pain and fever, similar to aspirin.
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Menthol: Menthol, the cooling compound in peppermint oil, inspired the development of synthetic menthol used in decongestants and cough suppressants.
- Antimalarials: Artemisinin, a powerful antimalarial drug, was derived from the sweet wormwood plant.
However what cannot be recreated in a lab is the ‘energy’ (or the concentrate, bioactive compounds) from a living organism, such as a plant - which is extracted into an essential oil. These compounds can:
- Promote relaxation: Oils like lavender or chamomile contain compounds that interact with brain chemistry, promoting a calming effect.
- Boost alertness: Oils like peppermint or rosemary have invigorating scents that can improve focus and concentration.
- Reduce inflammation: Certain oils, like ginger or lemongrass, might have anti-inflammatory properties that can soothe muscle aches.
It's important to note that essential oils themselves need to be taken or applied carefully to the human body and you should always seek the advise of a trained aromatherapist.
Sources:
The complete guide to aromatherapy by Salvatore Battaglia
Aromatherapy bible by Daniele Ryman
Aromatherapy