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Nutrition 244 > More Lipids > Flashcards

More Lipids Flashcards

1
Q

What kind of FA is Oleic Acid?

A

Monosaturated FA

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2
Q

What is the chemical name for Oleic Acid?

A

C18: 1 ∆ 9C

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3
Q

Where is Oleic Acid found?

A

Olive Oil

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4
Q

Oleic Acid is also commonly known as?

A

Omega-9-Fatty Acid

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5
Q

What kind of FA is Linoleic Acid?

A

Polyunsaturated FA (has two double bonds)

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6
Q

What is the chemical name for Linoleic Acid?

A

C18: 2 ∆ 9C, 12C

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7
Q

Where is Linoleic Acid found?

A

Peanut Oil, Soybean Oil, Corn Oil

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8
Q

Is Oleic Acid an essential FA?

A

No.

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9
Q

Is Linoleic Acid an essential FA?

A

Yes.

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10
Q

Linoleic Acid is also commonly known as?

A

Omega 6-Fatty Acid

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11
Q

What kind of FA is Linolenic Acid?

A

Polyunsaturated FA (has three double bonds)

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12
Q

What is the chemical name for Linolenic Acid?

A

C18: 3 ∆ 9C, 12C, 15C

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13
Q

Where is Linolenic Acid found?

A

Flaxseed, Walnuts, Soybean Oil

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14
Q

Is Linolenic Acid an essential FA?

A

Yes.

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15
Q

What FA do we not get enough in our diets?

A

Linolenic Acid.

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16
Q

Linolenic Acis is commonly known as?

A

Omega 3-Fatty Acid

17
Q

What are two other Omega 3- Fatty acids?

A

Eicosapentaenoic Acid (EPA)

Docosahexaenoic Acid (DHA)

18
Q

What is the chemical name for Eicosapentaenoic Acid (EPA)?

A

C20: 5 ∆ 5C, 8C, 11C, 14C, 17C

19
Q

Where can you find Eicosapentaenoic Acid (EPA)?

A

Fish Oils (salmon, mackeral, trout, tuna)

20
Q

What is the chemical name for Docosahexaenoic Acid (DHA)?

A

C22: 6∆ 4C, 7C, 10C, 13C, 16C, 19C

21
Q

Where can you find Docosahexaenoic Acid (DHA)?

A

Fish Oils

22
Q

What are three types of crystal formations that fat can take on?

A

Alpha Crystals

Beta-Prime Crystals

Beta Crystals

23
Q

Describe Alpha Crystals.

A

Very fine and Very unstable
Lowest melting point
Random Order

Does not last long
Reverted to beta-prime crystal for stability

24
Q

Describe Beta Crystals.

A

Very coarse and very large
Highest melting point
Parallel Rows

Not desirable

25
Q

Describe Beta-Prime Crystals.

A

Very fine and Very stable
Intermediate melting point
Alternating Rows

Found in Shortening

26
Q

What controls crystal formation?

A

Cooling and standing time controls crystal formation.

27
Q

What are the two formations that triglycerides can undergo?

A

Tuning Fork/ Goal Post

Chair

28
Q

Longer the chain…

A

Higher the MP

29
Q

Unsaturated fats have a…

A

Lower MP

30
Q

Trans Configuration have a…

A

Higher MP

31
Q

Homogenous fats have a…

A

Sharp Melting Point

32
Q

What are the three main FA that make up Chocolate?

A

Palmitic
Oleic
Stearic

33
Q

Chocolate is what kind of crystal former?

A

Beta-cystal

Nutrition 244 (12 decks)

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