Biology Reference
In-Depth Information
USDA. (2012). Agricultural research service, national nutrient database for standard refer-
ence, release 25. Nutrient data laboratory home page.
http://www.ars.usda.gov/ba/
WHO (2007). Protein and amino acid requirements in human nutrition: Report of a
FAO/WHO/UNU consultation.
WHO technical report series
(p. 150).