Microsized chitosan-TPP microbeads
Encapsulator B-390 / B-395 Pro: The microbeads using low and high viscous chitosan were produced by prilling by vibration technology

Chitosan is a linear polysaccharide derived from chitin, which can be found abundantly in nature. Under acidic conditions, it is a positively charged polymer capable of cross-linking through ionic gelation with sodium tripolyphosphate (TPP). Thanks to its cross-linking and biocompatible properties, chitosan was extensively studied for drug or nutraceutical delivery system1.
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Freeze drying of beads containing yeasts
The cell viabilities of microorganisms during storage are of economic importance for probiotic dietary food and feed supplements. By combining granulation and freeze drying, dust free particles homogeneous in size and composition can be obtained. This will enable a good particle flowability, an easier dosage and a faster reconstitution of the product can be obtained. Encapsulator as a granulator to prill the yeasts suspension into liquid nitrogen and form monodispersed beads that will then be freeze dried.