title: [Making tablets of powdered milk and the physical properties].
abstract: Compressed baby milk powder has proven to be very convenient for parents due to the ease with which it can be handled, and the fact that use of a measuring scoop is not necessary. The purpose of this study was to develop a compressed baby milk powder and analyze the resulting physical properties. The basic production process consisted of the following steps: 1) molding milk powder by low compression pressure, 2) humidification at 25°C·97%RH and 3) drying with use of a desiccant. No chemical additives were used for solidification; therefore the chemical composition of the compressed milk powder is identical to the base milk powder. The important properties of the compressed milk powder are both ready solubility and the strength of the solid. The compressed milk powder obtained at low pressure was too brittle for practical use, but the strength was increased by humidification followed by drying. During the humidification process, the powder particles located close to the surface of the compressed milk powder partially dissolve resulting in bridging structures between the particles, leading to an increase in strength. Both specific surface area and the volume ratio of the compressed milk powder decreased. Testing showed that caking between the particles occurred following humidification, and that the volume of caking affected the ease with which the compressed milk powder dissolves in water.
authors.affiliation: Production Technology & Engineering Department, Food Technology Research Labs., R&D Division, Meiji Co., Ltd., Odawara, Kanagawa, Japan. mitsuho.shibata@meiji.com
authors.forename: Mitsuho
authors.initials: M
authors.lastname: Shibata
authors.forename: Kazumitsu
authors.initials: K
authors.lastname: Otsubo
authors.forename: Shota
authors.initials: S
authors.lastname: Nakane
authors.forename: Toshiyuki
authors.initials: T
authors.lastname: Niwa
authors.forename: Kazumi
authors.initials: K
authors.lastname: Danjo
mesh_terms: D003460:Crystallization; D005511:Food Handling / Q000379:methods*; D006801:Humans; D006813:Humidity; D007223:Infant; D041943:Infant Formula; D007231:Infant, Newborn; D011208:Powders; D011312:Pressure; D012995:Solubility; D013499:Surface Properties; D013607:Tablets; D013718:Tensile Strength; D013997:Time Factors
chemical_list: D011208:Powders; D013607:Tablets