Proteins and Health - Protein quality and recommendations

7 important questions on Proteins and Health - Protein quality and recommendations

What 2 variables determine the protein quality?

The digestebility
The AA composition

Is the quality of plant or animal proteins higher?

Animal since they have a higher digestibility and are more similar to the human body proteins.

What is the biological Value (BV) of proteins?

This is a measure of the proportion of absorbed proteins from a food which become incorperated into the protiens in the body.
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What is the protein efficiency ratio (PER)?

This is the weight gain during a specific period by intake of a particulair protein.

What is the protien Digestibility Corected Amino Acid Score (PDCAAS)?

The AAS is calculated by compairing the level of limiting AA of the protien by the level of the same AA in the reference protein.

The PDCAAS is the correction for digestebility --> AAS*digestibility
Milk, egg, soy been isolate have a PDCAAS of 1
wheat has a PDCAAS of 0.4
Beans have a PDCAAs of 0.6-0.7

What is the Digestible Indispensable Amino Acid Score (DIAAS)?

Difference with PDCAAS is measering of digestability in PDCAAS the digestibility is measered by the protiens in stool. In the DIAAS it is done by measurint the proportion of a particulairy diatary AA that reaches the terminal ilenium. This is betteer since the slool also contains protiens form the body

What is the recomended protien intake?

It is o.8g per kg body weight

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