fragrances Flashcards
1
Q
What are essential oils?
A
They are concentrated aroma extracts found in plants.
2
Q
What are essential oils used for?
A
They are widely used in perfumes, cosmetic products, cleaning products an as flavourings.
3
Q
What are some physical properties of essential oils?
A
They are usually volatile and insoluble in water.
4
Q
What family of compounds are found in essential oils?
A
Terpenes
5
Q
What are terpenes made up of on a molecular level?
A
Isoprene units (2-methylbuta-1,3-diene), molecular formula C5H8.
6
Q
What does the oxidation of terpenes produces?
A
It produces many compounds responsible for the aroma of spices derived from plants.
e.g. peppermint oil contains menthol and it oxidation product menthone which both contribute to the flavour/aroma.
