STUDIES OF INFANT FEEDING. XIV

Dry milk powder is becoming quite extensively used for the feeding of infants and in many ways seems to possess advantages over modified milk formulae. The dry powder is packed by the manufacturers in air tight containers and may be kept in these containers over long periods of time without deterioration. There are several products on the market, such as dry whole milk, dry partly skimmed milk, dry skimmed milk, dry whey, and dry modified milk. There are two processes in use for manufacturing dry milk products. One process consists of spraying the previously condensed milk into a heated chamber through which a strong blast of hot air is passing; the hot air removes the water and the solid part of the milk falls to the bottom of the chamber in the form of a dry powder. In this process the continued heating necessary for the condensing of the milk