Tag: Essential oils
An essential oil is a natural oil typically obtained by distillation and having the characteristic fragrance of the plant or other source from which it is extracted.
These oils are also known as volatile oils, ethereal oils, aetherolea, or simply as the “oil of” the plant from which they were extracted. An oil is “essential” in the sense that it contains the “essence of” the plant’s fragrance—the characteristic fragrance of the plant from which it is derived.
Essential oils are generally extracted by distillation, often by using steam. Other processes include expression or solvent extraction. They are used in perfumes, cosmetics and other products, for flavoring food and drink, and for adding scents to incense and household cleaning products. Essential oils are often used by individuals for candle making and soap making at home.
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Interest in essential oils has revived in recent decades with the popularity of aromatherapy, a branch of alternative medicine that claims that such oils and other aromatic compounds have curative effects. Oils are volatilized or diluted in a carrier oil and used in massage, diffused in the air by a nebulizer, heated over a candle flame, or burned as incense.
Essential oil devotees say that just a drop is often all it takes to harness the benefits of the oils for food, beauty regimens and healthcare practices. Oils can be ingested, used topically or diffused for aromatic benefits.
Various oils have been shown to effectively treat a wide range of common health issues such as nausea and migraines, and a rapidly growing body of research is finding that they are powerful enough to kill human cancer cells of the breast, colon, mouth, skin, and more.
Scientists have also turned up interesting results in another area of use: countering the growing antibiotic-resistance crisis.
Numerous recent studies—including several done by the USDA—have shown great promise in using these oils as an alternative to antibiotics in livestock. One of their studies, published in October 2014 in the journal Poultry Science, found that chickens who consumed feed with added oregano oil had a 59 percent lower mortality rate due to ascites, a common infection in poultry, than untreated chickens.
Other research, from a 2011 issue of BMC Proceedings, showed that adding a combination of plant extracts—from oregano, cinnamon, and chili peppers—actually changed the gene expression of treated chickens, resulting in weight gain as well as protection against an injected intestinal infection.
A 2010 study from Poultry Science produced similar findings with the use of extracts from turmeric, chili pepper, and shiitake mushrooms. A multi-year study is currently underway at the USDA that includes investigations into the use of citrus peels and essential oils as drug alternatives.
Hydrosol vs. essential oil: what is the difference and how can you use them for soapmaking and aromatherapy?