Some examples - Encapsulation - Encapsulation by spray drying

3 important questions on Some examples - Encapsulation - Encapsulation by spray drying

Why should the slurry be dried as quickly as possible?

You should make sure the encapsulated component is not lost during the evaporation of water.

Why are high Mw components on the one hand good as matrix material but on the other hand not?

On the one had they allow a stable emulsion, as proteins or modified starches have emulsifying properties. On the other hand they render the viscosity of the slurry too high.

Why are components with an intermediate Mw the best option as matrix material?

They give reasonable stability and the viscosity is not too high yet.

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