Fragrances

Question 1

Essential oils are

Answer 1

re concentrated extracts of volatile,
non water soluble aroma compounds from plants.

Question 2

Essential oils are widely used in

Answer 2

They are widely used in perfumes, cosmetics, cleaning products and as flavourings in foods.

Question 3

Are essential oils water soluble

Answer 3

no

Question 4

one of the primary constituents of essential oils are

Answer 4

terpenes

Question 5

How can essential oils be extracted

Answer 5

using steam distillation and are widely used in perfumes, cosmetics, cleaning products and flavourings.

Question 6

Terpenes are …

Answer 6

are the key component
of most essential oils.

Question 7

Terpenes are made

Answer 7

from isoprene units

Question 8

Are terpenes saturated or unsaturated

Answer 8

unsaturated

Question 9

Isoprenes units primarily contain

Answer 9

5 carbons

Question 10

Terpenoids

Answer 10

Terpenes can be oxidised within plants, producing some of the compounds responsible for the distinctive aroma of spices.