Eucalyptol (Cineole)


1.8 – Cineole is a mono-terpene ether that is the main chemical constituent of Eucalyptus essential oil. It is also found in Melaleuca, Basil, Rosemary, Clary Sage and Peppermint essential oils. Often referred to as eucalyptol, 1,8-cineole has a camphor-like aroma and a pleasant spicy flavor. It is often used as a flavoring agent in baked goods, pastries and beverages, but has been found to be highly toxic. Beyond its many applications in the food industry, recent research has shown that 1,8-cineole may have some intriguing health benefits.

Internal use

Despite not being safe to consume in large quantities, lower internal consumption of 1,8-cineole has been shown to have several health-promoting properties. As a constituent of Melaleuca essential oil and alone, 1,8-cineole can help to soothe and support healthy respiratory function.* For daily support of a healthy respiratory tract, try adding a drop of Rosemary to a glass of water or tea, or adding a drop to meat dishes.* Experimental research suggests that 1,8-cineole may provide antioxidant support when consumed internally.* For a refreshing taste and added antioxidant support, add a few drops of Basil or Rosemary to your favorite Italian dishes.

Current usage

Essential oils rich in 1,8-cineole are known for their great benefits when used topically, especially in terms of skin health, but there are several properties you may not be aware of. For example, experimental research suggests that 1,8-cineole may have surface cleaning properties. Adding a few drops of Melaleuca or Eucalyptus to a glass spray bottle with water is a great way to wipe down bathroom and kitchen surfaces while leaving a stimulating scent. Moreover, experimental research suggests that 1,8-cineole may act as an insect repellent when used aromatically or applied topically. Before going for a walk, take advantage of the insect repellent properties of 1,8-cineole by applying a few drops of Rosemary or Peppermint to your arms and legs.

Although primarily related to eucalyptus and its respiratory benefits when experienced aromatically, 1,8-cineole is actually found in several other essential oils and has a broad spectrum of properties depending on the model of application. To experience these benefits, experiment with Melaleuca, Basil, Rosemary and other 1,8-cineole containing essential oils in your cooking, cleaning and outdoor activities.

* These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.

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