초록 ▼

Virtually any material may be encapsulated in a starch matrix by combining the material with a high temperature-stabilized dispersion of starch, optionally in the presence of salt. The temperature-stabilized starch dispersion acts as a protective colloid, encasing the material to be encapsulated. Up

Virtually any material may be encapsulated in a starch matrix by combining the material with a high temperature-stabilized dispersion of starch, optionally in the presence of salt. The temperature-stabilized starch dispersion acts as a protective colloid, encasing the material to be encapsulated. Upon subsequent rapid cooling of this mixture on a chilled surface the starch polymer chains collapse upon themselves, forming a firm sheet or the like and encapsulating the core material. The sheet can then be cut, chopped or sliced in the wet state, then dried and ground to yield particles.

대표청구항 ▼

A process for encapsulation of materials in a starch matrix comprising the steps of: (1) slurrying the starch in water; (2) thoroughly dispersing the starch in the slurry by injecting steam at a pressure of at least 110 psi into the slurry to raise its temperature to 120°to 180°C. at a pressure of 5

A process for encapsulation of materials in a starch matrix comprising the steps of: (1) slurrying the starch in water; (2) thoroughly dispersing the starch in the slurry by injecting steam at a pressure of at least 110 psi into the slurry to raise its temperature to 120°to 180°C. at a pressure of 55-120 psi or above; (3) adding to the dispersion the material to be encapsulated and effecting intimate mixing of the latter therein; (4) spreading the resultant mixture on a chilled surface; (5) recovering the encapsulated material in sheet form; and (6) cutting or grinding and drying the resultant matrix of starch and encapsulated material.