Protein Flashcards
Provided by plant and animal sources; formed by linking amino acids in various combinations for specific use by the body
Proteins
Generally from animal sources
Contain all the essential amino acids
Complete proteins
Generally from plants such as grains, nuts, legumes, vegetables, and fruits
Do not contain all the essential amino acids
Incomplete proteins
Foods sources that when eaten together
Provide all the essential amino acids
Complementary proteins
Metabolic functions of proteins
Tissue building and maintenance Balance of nitrogen and water Backup energy Support of metabolic processes (nitrogen balance, transportation of nutrients, other vital) Support of the immune system
Three main factors influence the body’s requirement
Tissue growth needs
Quality of the dietary protein
Added needs due to illness
Recommended dietary requirement for protein for adults
10% of intake
Recommended dietary requirement for protein in women
46 g/day
Recommended dietary requirement for protein in men
56 g/day
Lack of protein ingestion may lead to serious disorders caused by lack of protein ingestion
Kwashiorkor
Marasmus
Protein provides how many calories of energy
4 cal/g