CH 3 Fats

Question 1

What is the dietary importance of fats?

Answer 1

• concentrated fuel source for energy system

- supplement energy source for carbohydrates

Question 2

Lipids

Answer 2

Chemical group name for organic substances of fatty nature; include fats, oils, waxed, cholesterol, etc.

Question 3

Hyperlipidemia

Answer 3

Elevated level of fat in blood

Question 4

What are the 2 classes of fats

Answer 4

Glycerides and fatty acids

Question 5

Glycerides

Answer 5

Chemical group name for fats, formed from glycerol base with 1,2,3 fatty acids attached

Question 6

What do glycerides make

Answer 6

Mono glycerides, do glycerides, triglycerides

Question 7

Triglycerides

Answer 7

Chemical name for fats in body; have 3 fatty acids attached to glycerol base

Question 8

Fatty acids

Answer 8

Major structural component of fats

Question 9

5 ways to classify fatty acids

Answer 9

• length
• saturation
• location of 1st double bond from omega end (methyl end)
• how essential it is
• trans fatty acids

Question 10

Length of fatty acid classification

Answer 10

Short- 2-4 C
Medium- 6-10 C
Long- more than 12 C

Question 11

Describe the make up of fatty acid chains

Answer 11

The chains have carbon atoms with methyl (CH3) group one one end and acid carboxyl (COOH) on the other end

Question 12

Saturated fatty acids

Answer 12

Fatty acids filled with hydrogen; make fat harder, heavy, and dense at room temp

Question 13

Example of saturated fatty acids

Answer 13

Red meat, chicken skin, milk, cream, cheese, butter, ice cream, lard, coconut oils, palm oil

Question 14

Unsaturated fatty acid

Answer 14

Fatty acids NOT completely filled with hydrogen

Question 15

Monounsaturated fat

Answer 15

1 infilled spot (I.e 1 double bond between C atoms)