Essential Oils

Essential oils refer to the general term for volatile aromatic substances extracted from a certain plant. Usually, essential oils are volatile aromatic substances extracted from the flowers, leaves, roots, seeds, fruits, bark, resins and other parts of plants through steam distillation, cold pressing, fat absorption or solvent extraction. Essential oils can be used in perfumes, cosmetics, cleaning products and other products.

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Definition
Features
Products
Applications
Examples
Qualifications
FAQs
Case Study
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What is Essential Oil?

Essential oils are aromatic substances, generally aromatic molecules extracted from plants, and are important products in industries such as perfumes, seasonings, and cosmetics. Essential oils contain compounds including terpenes, alcohols, phenols, aldehydes, esters, ketones, etc. Each plant essential oil may contain dozens to hundreds of different chemical components.

What are the Features of Essential Oils?

High volatility

Essential oils evaporate quickly when exposed to air and need to be stored in a sealed container to prevent loss of ingredients.

Lipophilicity

Essential oil molecules are lipophilic and are easily soluble in base oils or alcohol, but only slightly soluble in water.

Color and Texture Diversity

Essential oils range from transparent to special colors; the texture ranges from watery to viscous.

Essential Oils Product List

What are the Applications of Essential Oils?

Emotional Regulation and Psychological Relief

Essential oils can relieve stress and calm the mind through olfactory stimulation, refresh the mind and improve sleep.

Skin Care and Body Conditioning

Essential oils can be used in skin care products to moisturize, repair, control oil and fight inflammation.

Health Support and Auxiliary Care

Essential oils have respiratory soothing and mosquito repellent effects.

Home and Environmental Applications

Essential oils can be used for air purification and clothing fragrance.

Examples

Tea tree oil

Tea tree oil is an extract of tea tree. It has the effects of sterilization, anti-inflammatory, and astringent pores.

Lavender oil

Lavender oil is extracted from lavender, which can clean the skin, control oil, and is also very helpful for insomnia.

Calendula oil

Calendula oil is extracted from calendula. Calendula oil has a good moisturizing and anti-inflammatory effect on the skin.

Geranium oil

Geranium oil comes from geranium and has many functions and effects in the fields of health and life.

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Question and Answer

What are the uses of essential oils?

Due to their unique properties, essential oils can be used in aromatherapy, skin care, body care, home cleaning, and mood regulation.

What are the precautions for using essential oils?

A skin test should be performed before use to avoid allergies. Do not use too high a dose frequently. Pay attention to the use of special types of essential oils. For example, photosensitive essential oils should not be used in places exposed to the sun, as they may cause photosensitivity.

When should essential oils be used?

Essential oils should be sealed, kept away from light, kept at a constant temperature as much as possible, and stored in glass bottles.

Case Study

Biological Effects of Essential Oils

Bakkali, Fadil, et al. Food and chemical toxicology 46.2 (2008): 446-475.

Essential oils have been widely used for bactericidal, virucidal, fungicidal, antiparasitic, insecticidal, medicinal and cosmetic applications, especially now in the pharmaceutical, hygiene, cosmetic, agricultural and food industries. In vitro physicochemical assays have characterized most of them as antioxidants. However, recent studies have shown that in eukaryotic cells, essential oils can act as pro-oxidants, affecting intracellular membranes and organelles such as mitochondria. Depending on the type and concentration, they show cytotoxic effects on living cells, but are generally non-genotoxic. These findings suggest that the beneficial effects encountered by essential oils are pro-oxidants that can act at the cellular level.

The researchers found that essential oils enhance the effect of the antibiotic nitrofurantoin at sub-inhibitory concentrations against Enterobacteriaceae. Possibly, given the effects of essential oils on cell membranes, bacterial susceptibility or resistance depends on the mode of application and may indicate that antibiotics must first come into contact with the cells.