Plant oils Flashcards

1
Q

Where can we extract oils from?

A

Plants.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What do some fruits and seeds contain?

A

A lot of oil.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Give examples of oily fruit?

A

Avocados.

Olives.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Give examples of oily seeds?

A

Brazil nuts.
Peanuts.
Sesame seeds.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

The oils from plants can be what?

A

Extracted and used for food or for fuel.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

How do you get the oil out of the plant/seed?

A

The material is crushed.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What happens after the plant material is crushed?

A

To press the crushed plant material between metal plates and squash out the oil.
Traditional way of producing olive oil.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

How can oil be separated from crushed plant material?

A

By centrifuge.
Or
Solvents.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What does distillation do to the oil?

A

Refines oil and removes water, solvents and impurities.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What do vegetable oils provide?

A

A lot of energy.

Have a high energy content.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What else is there in vegetable oils?

A

Other nutrients.

Eg oils from seeds contain vitamin E.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What do vegetable oils CONTAIN?

A

Essential fatty acids.

Which the body needs for many metabolic processes.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Vegetable oils have a higher boiling point than water, what does this mean?

A

They can be used to cook foods at higher temperatures and at faster speeds.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Cooking with vegetable oil does what?

A

Gives the food a different flavour it carries the flavour making it seem more intense.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Why does vegetable oil give the food a different flavour?

A

Because of the oil’s own flavour.

And many flavours come from chemicals that are soluble in oils.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Using oil to cook food increases what?

A

The energy we get from eating it.

17
Q

What oils can be processed and turned into fuels?

A

Vegetable oils such as rapeseed oil and soybean oil.

18
Q

Because oil provides a lot of energy what is this suitable for?

A

Fuels.

19
Q

Name a particularly useful fuel made from vegetable oil?

A

Biodiesel.

20
Q

How can you use biodiesel to fuel a diesel engine?

A

They both have similar properties.

Biodiesel burns the same way.

21
Q

What does waste oil end up being?

A

Pet food.

Cosmetics.

22
Q

Name 3 things vegetable oil is used for>

A

Food.
Cooking.
Producing fuels.