Aromatherapy lesson 2 Flashcards
In what year was Aromatherapy a new term
1937 Gattefosse named a book Armoatgerape
What is a preservative?
A substance that helps prevent microbial growth in our products
What can microbial growth cause?
Health risks, rancidity, odors, changes in color and texture
Are essential oils a preservative?
NO
How do antioxidants work?
They help the molecules in our fatty oils and butters from oxidizing
What happens when fats oxidize?
They become rancid
What does oxidization lead to the formation of ?
Free radicals
What are free radicals?
Chemicals damaging to our cells.
What do you use to fight microbial growth
Preservatives
What do you use to fight rancidity
Antioxidants
What do you use to fight free radicals
Antioxidants
When should you use a preservative?
Cosmetics that contain water.
About how king with water based products last?
1-2 months
Are essential oils lipophillic?.
Yes
What is lipophillic?
Combines with or disolves in fats
What is a solubol
It is a natural food grade emulsifier
What is a solubol
A natural food grade emulsifier
What is the recommended amount of solubol for each drip of essential oil
4 drops solubol to 1 drop essential oil 4:1
What are good solubols?
Castile soap, high proof alcohol 150-190 proof . To figure this out double the percentage of alcohol present
How much alcohol should use use in your blend when it’s a solubol
25 percent
What is the science of plants
Botany
Where do plants store essential oils?
In all parts of a plant.
How do plants use essential oils?
To attract insects for pollenation and reproduction
Protect the plant from predators
Where are the plants essential oils stored?
Specialized storage sacs, glands or vesicles
4 ways of extraction
Distillations, pressing, solvent extra thin and CO2 extractiob
What chemicals are used in solvent extraction
Hexane or bezene