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Uptodate Reference Title
Table of the biological value of common foods
Table of the biological value of common foods
Food item
Biological value
Egg protein
100
Whole bean
96
Whole soy bean
96
Human milk
95
Cow milk
90
Cheese
84
Rice, unpolished
83
Chicken
79
Fish
76
Beef
74
Soybean curd
72
Rice, polished
64
Corn
60
Kidney bean
49
White flour
41
This table depicts common food items with their BV values. Biological value (BV) is a measure of the proportion of absorbed protein that is incorporated into the proteins of the body. One method of determining biological value measures absorbed and excreted nitrogen and determines the ratio of incorporated nitrogen to absorbed nitrogen: • BV = (Nr/Na) x 100. • Nr = nitrogen retained in the body (measured indirectly by nitrogen excretion in the urine and feces). • Na = absorbed nitrogen from dietary protein. • A BV of 100 suggests complete utilization of protein from a particular food. Egg protein has a BV of 100. • BV does not take into account how readily the protein can be digested and absorbed.
Data from: Jolliet P, Pichard C, Biolo G. Enteral nutrition in intensive care patients: a practical approach. Intensive Care Med 1998; 24:848.
