Oilseeds Flashcards

(37 cards)

1
Q

What is canola?

A

A type of rapeseed

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2
Q

____% of canola is genetically modified

A

90%

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3
Q

Fats are _____ at room temperature and oil are _____

A

solid, liquid

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4
Q

What are edible fats and oils a mixture of?

A

triacylgylcerols

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5
Q

What do triglycerides consist of?

A

unbranched carbon chain (2-28) with acid group at one end

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6
Q

Palmitic acid

A

C16:0 saturated

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7
Q

Stearic acid

A

C18:0 saturated

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8
Q

Oleic acid

A

C18:0 monosaturated

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9
Q

Linoleic acid

A

C18:2 polyunsaturated

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10
Q

Linolenic acid

A

C18:3 polyunsaturated (omega -3)

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11
Q

Eicosatetraenoic acid (EPA)

A

C20:5 (omega-3)

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12
Q

Docosahexaenoic acid (DHA)

A

C22:6 (omega-3)

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13
Q

Melting point ______ as the carbon chain length _____

A

increases, increases

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14
Q

Melting point _____ as the # of double bonds _______

A

decreases, increases

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15
Q

Does unsaturation or chain length have the most effect on melting point?

A

unsaturation

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16
Q

Stability ______ as the number of double bonds ______

A

decreases, increases

17
Q

The dominant type of fatty acid in liquid oils

18
Q

The dominant type of fatty acid in solid fats

19
Q

Hydrogenation

A

a conventional process used to convert liquid vegetable oil into solid or semi-solid fats

20
Q

Melting points of trans isomers are ______ than those of corresponding cis isomers

21
Q

Enzyme Interesterification

A

Process uses an enzyme to break and reform ester bonds

22
Q

Canola Pretreatment

A

Cleaning and squashing the seeds

23
Q

Canola oil expelling/extraction

A

Mechanical press to squeeze oil using friction

24
Q

Canola refining process

A

remove all contaminants and enhances flavour/colour

25
Palm oil
derived from the fruit of the oil plam
26
Palm oil use
Used as solid fat component in margarines and shortenings, and used in biodiesel
27
Soybean
Worlds most important oilseed and source of vegetable oil
28
What is used in the synthesis of pharmaceuticals as food additives?
Sterols
29
This meal sets the standard for high-protein feed ingredients
soybean
30
Canola
Canada's oilseed that are small, round seeds
31
Canola oil composition
High in fibre, low in protein, good balance in essential amino acids
32
Sunflower
Oil is highly poly-unsaturated, meal is very high in fibre and limited to ruminant feed
33
Where is sunflower native to?
Southern British Columbia
34
Which first nations used sunflower seed for oil?
Indigenous people from North America
35
How much of the world's flax seed does Canada produce?
1/3
36
Corn oil
Extracted from corn germ
37
What is peanut oil primarily used for?
liquid frying oil