Lesson 2

Question 1

Are sesquiterpene-high oils warming or cooling?

Answer 1

Both!

Question 2

What are four methods of extracting essential oils?

Answer 2

Distillation, pressing, solvent, CO2 extraction

Question 3

What does it mean chemically when an aroma is a “base note?”

Answer 3

It is a large molecule with low volatility.

Question 4

What is heavier, a monoterpene or a sesquiterpene?

Answer 4

Sesquiterpene

Question 5

What plant part is the oil extracted from for Black Pepper?

Answer 5

Dried fruit

Question 6

What plant part is the oil extracted from for Cedarwood?

Answer 6

The wood and trunk

Question 7

What plant part is the oil extracted from for Patchouli?

Answer 7

The leaves

Question 8

Which sesquiterpene-high oil is known to lower blood pressure?

Answer 8

Ylang Ylang

Question 9

Which sesquiterpene-high oils are made from flowers?

Answer 9

German Chamomile, Helichrysum, Ylang Ylang

Question 10

An absolute is the result of what type of extraction?

Answer 10

Solvent

Question 11

Can we generalize about the therapeutic properties of the sesquiterpene rich oils?

Answer 11

It is not ideal to make generalizations. We need to look at each oil individually.

Question 12

Do all plants contain volatile aromatic components?

Answer 12

No, only some plants contain volatile aromatic components.

Question 13

What is the common name for Commiphora guidotti?

Answer 13

Opopanax

Question 14

What is the common name for the product produced when solvent extraction is used?

Answer 14

Absolutes

Question 15

What is Trauma Oil?

Answer 15

An herbally-infused oil blend that combines arnica, St. John’s wort, and calendula.

Question 16

What plant part is the oil extracted from for Opopanax and Myrrh?

Answer 16

Resin

Question 17

What plant part is the oil extracted from for Spikenard and Ginger?

Answer 17

Rhizome

Question 18

What plant part is the oil extracted from for Vetiver?

Answer 18

Rootlets

Question 19

Which two aromatic notes (top, middle, base) are predominant in this group?

Answer 19

Middle, base

Question 20

Which two sesquiterpene-high oils are warming?

Answer 20

Black Pepper and Ginger. Myrrh and Spikenard would be right answers, too!

Question 21

Why is cold pressed Lime phototoxic but steam distilled Lime is not?

Answer 21

The phototoxic components (furanocoumarins) are present in the pressed oil but not the distilled oil.

Question 22

You are making a 2 oz (60 ml) anti-inflammatory blend for your frail, tired, worn out, 90-year-old grandma. How many drops of essential oil total should you use?

Answer 22

10-12 (which is a 1% dilution)

Question 23

You are making a 2 oz (60 ml) blend at a 3% dilution. How many total drops of essential oil will you add?

Answer 23

30-36

Question 24

You are making a blend for a client who wants help to be more emotionally grounded. Would you choose Vetiver or distilled Lime?

Answer 24

Vetiver

Question 25

You are making a blend for a client who wants help to clear their congested sinuses. Would you choose monoterpene-rich oils or sesquiterpene-rich oils?

Answer 25

Monoterpene-rich oils

Question 26

You just bought a brand new diffuser. In general, which oils will diffuse more easily—monoterpene-rich oils, or sesquiterpene-rich oils?

Answer 26

Monoterpene-rich oils, because they are lighter molecules—top and middle notes