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The subsequent spray granulation of different starting materials that have
been mixed in the liquid phase produces granulates, in which the starting
materials are very evenly distributed. If the process is set up correctly,
liquids can also be encapsulated in a fixed matrix in this way.
If the matrix
material is dissolved in the liquid phase, the granulates are made by means of
spray granulation.
If the matrix material is presented in the form of powder,
the granulates are made by means of wet granulation.
This encapsulation
process is mainly applied in the food industry.
If necessary, the spray
granulates can be provided with a protective coating in an additional step
(-> Film
Coating, ->
Lipid/Hot Melt Coating, -> Sugar Coating).
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