Terpenes

Question 1

What are essential oils

Answer 1

Concentrated extracts of the aroma compounds found in plants. Usually volatile and insoluble in water

Question 2

What are terpenes based on

And where are they found?

Answer 2

Isoprene
2 methylbuta1,3diene
Found in essential oils

Question 3

What does the oxidation of terpenes produce

Answer 3

Compounds that contribute to the flavour and aroma of spices from plants

Question 4

What is UV light

Answer 4

Is in sunlight, very high energy capable of breaking covalent bonds

Question 5

Give benefits and disadvantages of UV light on skin

Answer 5

Benefit - allows us to make vitamin D Which is good for our bodies
Disadvantages - creates sunburn

Question 6

What is sunscreen

What is sunblock

Answer 6

Screen - contains compounds that filters UV so less reaches our skin
Block - contains compounds that reflects the UV so it doesn’t reach skin at all

Question 7

What is a free radical

Answer 7

Atom that are highly reactive due to having an impaired electron

Question 8

What are free radical scavengers?

Answer 8

They combine with free radicals to create stable molecule