Provided are a solid food and a solid milk which have suitable solubility and strength adequate to resist breakage during handling. The solid food is a solid food having a solid form obtained by compression molding a food powder, in which a depth from a surface of the solid food at which an increase in total crystallization rate is zero or minimal is 1.1 mm or less, the increase in total crystallization rate being a difference of a crystal ratio with respect to a total weight at each depth from the surface of the solid food relative to a crystal ratio in an inner part of the solid food.

Provided are a solid food and a solid milk which have suitable solubility and strength adequate to resist breakage during handling. The solid food is a solid food having a solid form obtained by compression molding a food powder, in which a depth from a surface of the solid food at which an increase in total crystallization rate is zero or minimal is 1.1 mm or less, the increase in total crystallization rate being a difference of a crystal ratio with respect to a total weight at each depth from the surface of the solid food relative to a crystal ratio in an inner part of the solid food.

Provided are a solid food and a solid milk which have a suitable adhesive force and strength adequate to resist breakage during handling. The solid food is a solid food having a solid form obtained by compression molding a food powder, the solid food containing monohydrate crystals and anhydride crystals, in which an increase ratio β/(α+β) of a crystallization rate of an increase β (% by weight) in crystallization rate that is a difference of a ratio of the anhydride crystals with respect to a total weight on a surface of the solid food relative to a ratio of the anhydride crystals in an inner part of the solid food to the sum (α+β) of an increase α (% by weight) in crystallization rate that is a difference of a ratio of the monohydrate crystals with respect to the total weight on the surface of the solid food relative to a ratio of the monohydrate crystals in the inner part of the solid food and the increase β (% by weight) in crystallization rate is 0.15 or more, and a peel and shear stress on a flat face is 0.020 N/mm.sup.2 or less.

Provided are a solid food and a solid milk which have a suitable adhesive force and strength adequate to resist breakage during handling. The solid food is a solid food having a solid form obtained by compression molding a food powder, the solid food containing monohydrate crystals and anhydride crystals, in which an increase ratio β/(α+β) of a crystallization rate of an increase β (% by weight) in crystallization rate that is a difference of a ratio of the anhydride crystals with respect to a total weight on a surface of the solid food relative to a ratio of the anhydride crystals in an inner part of the solid food to the sum (α+β) of an increase α (% by weight) in crystallization rate that is a difference of a ratio of the monohydrate crystals with respect to the total weight on the surface of the solid food relative to a ratio of the monohydrate crystals in the inner part of the solid food and the increase β (% by weight) in crystallization rate is 0.15 or more, and a peel and shear stress on a flat face is 0.020 N/mm.sup.2 or less.

Provided are a solid food and a solid milk which have suitable solubility and strength adequate to resist breakage during handling. The solid food is a solid food having a solid form obtained by compression molding a food powder, in which an increase Ya (% by weight) in total crystallization rate that is a difference of a crystal ratio with respect to a total weight at a depth Xa (mm) from a surface of the solid food relative to a crystal ratio in an inner part of the solid food satisfies the following Formula (1A),

Ya<−5.24Xa+6.65  (1A)

Provided are a solid food and a solid milk which have suitable solubility and strength adequate to resist breakage during handling. The solid food is a solid food having a solid form obtained by compression molding a food powder, in which an increase Ya (% by weight) in total crystallization rate that is a difference of a crystal ratio with respect to a total weight at a depth Xa (mm) from a surface of the solid food relative to a crystal ratio in an inner part of the solid food satisfies the following Formula (1A),

Ya<−5.24Xa+6.65  (1A)

A method for producing a solid food having a solid form obtained by compression molding a food powder includes: compression molding the food powder to form a compression molded body of the food powder; and performing a hardening treatment on the compression molded body of the food powder, in which the hardening treatment includes placing the compression molded body of the food powder under an environment of a humidity of 100% RH or less and a temperature of higher than 100° C.

A method for producing a solid food having a solid form obtained by compression molding a food powder includes: compression molding the food powder to form a compression molded body of the food powder; and performing a hardening treatment on the compression molded body of the food powder, in which the hardening treatment includes placing the compression molded body of the food powder under an environment of a humidity of 100% RH or less and a temperature of higher than 100° C.

The present invention provides novel oral dosage comprising lyophilized mammalian (human) milk and optionally a physiologically acceptable excipient or carrier, and their use for improvement of mammalian (human) health. Also provided a novel process for preparing lyophilized mammalian milk with desired nutritional and cellular content, initially freezing raw milk obtained from a mammalian source, forming a layer of a predefined thickness from the frozen milk at a temperature from −4° C. to −80° C., and drying the formed layer at a temperature from −20° C. to +60° C. at a pressure from 5 micron Hg to atmospheric pressure to provide the lyophilized human milk. The process optionally comprises comprising treating said lyophilized milk via flash supercritical CO.sub.2 treatment comprising soaking said lyophilized milk with supercritical CO.sub.2

The present invention provides novel oral dosage comprising lyophilized mammalian (human) milk and optionally a physiologically acceptable excipient or carrier, and their use for improvement of mammalian (human) health. Also provided a novel process for preparing lyophilized mammalian milk with desired nutritional and cellular content, initially freezing raw milk obtained from a mammalian source, forming a layer of a predefined thickness from the frozen milk at a temperature from −4° C. to −80° C., and drying the formed layer at a temperature from −20° C. to +60° C. at a pressure from 5 micron Hg to atmospheric pressure to provide the lyophilized human milk. The process optionally comprises comprising treating said lyophilized milk via flash supercritical CO.sub.2 treatment comprising soaking said lyophilized milk with supercritical CO.sub.2