Abstract
The variations in the contents of hexose, hexosamine and sialic acid in the ethanol precipitated protein of human milk at the various stages of lactation were investigated.
The levels of hexosamine and sialic acid contained in the protein of early lactation-milk were higher than those in the milk of later lactation.
The calculated values of the carbohydrates bound to 1g. protein of human and cow's milk were obtained.
The values for hexose in human and cow's colostrum were 288.40 and 101.66, for hexosamine 71.48 and 3.84, and for sialic acid 31.33 and 6.76, respectively. In human and cow's milk, the values for hexose were 186.53 and 84.43, for hexosamine 37.11 and 2.98, and for sialic acid 16.49 and 4.02, respectively.