Proteins and Amino Acids

Question 1

What are 4 functions of dietary protein?

Answer 1

1. Provide essential amino acids
2. Source of Nitrogen
3. Energy from Carbon skeletons
4. Source of flavor?

Question 2

What are the functions of essential amino acids? 3

Answer 2

1. reassemble & become new proteins
2. Tissue synthesis in muscle & liver
3. Enzymes, albumin, hormones & nitrogen

Question 3

The higher the quality of the protein in the diet, the less the quantity will be needed by the animal to meet all of its __________ ___________ _________ needs.

Answer 3

Essential Amino Acid

Question 4

The percentage of absorbed protein that is retained by the body

Answer 4

Biologic Value

Question 5

The quality of a protein is determined through _____________ ____________

Answer 5

Feeding Trials

Question 6

A chemical score comparing an amino acid profile to an amino acid profile of high quality protein (like eggs)

Answer 6

Reference Protein

Question 7

Essential amino acid that is the greatest deficit in the test protein which limits the body’s ability to use that protein

Answer 7

Limited Amino Acid

Question 8

Combining multiple protein sources based on their amino acid excesses and deficiencies.

Answer 8

Protein Complementation

Question 9

One or more amino acids are added when the main protein source is limiting.

Answer 9

Amino Acid Fortification

Question 10

2 ways of “Improving” a protein source

Answer 10

1. Protein Complementation
2. Amino Acid Fortification