British Food Journal Volume 23 Issue 5 1921

As has been said, the commercial “infants' food,” leaving on one side the condensed milk, is almost invariably a powder, and, as such, should conform in composition as nearly as possible to a dried human milk. Of course, the preparations are not altogether free from water. From a large number of analyses it appears that the percentage in the great majority of cases varies between 4 and 8, the maximum being 13.9 and the minimum under 1. The average is approximately 6.5 per cent.