From animal sources and soy, contain sufficient amounts all of nine essential amino acids
Complete proteins
Generally from plant sources, contain all nine essential amino acids. However, one or more of the amino acids is not adequate for protein synthesis.
Incomplete proteins
Food sources that are incomplete proteins eaten alone, but together are equivalent to a complete protein
Complementary protein
3 main factors influence the body’s requirement for protein
- Tissue growth needs
- Quality of dietary protein
- Added needs due to illness
Proteins have many metabolic functions:
- Tissue-building and maintenance
- Balance of nitrogen and water
- Backup energy
- Support of metabolic processes (Nitrogen balance, transportation of nutrients)
- Support of the immune system
The RDA of protein is __ g/kg for healthy adults
0.8 g/kg
Protein’s acceptable macronutrient distribution range (AMDR) for adults is __ to __ of total calories
10% - 35%
________ and ________ are two disorders caused by extreme protein energy malnutrition (PEM). These serious disorders are caused by a lack of protein ingestion, or lack of protein metabolism
Kwashiorkor
Marasmus
Vegan diets can lack vitamin __ because it does not naturally occur in plants
Vitamin B12
Protein provides _ cal/g of energy
4
