Preservation of bioactive materials by spray drying

Details Preservation of bioactive materials by spray drying Preservation of bioactive materials by spray drying

A - Human Necessities

61

K

A61K 9/14 (2006.01) A61K 9/16 (2006.01) A61K 9/72 (2006.01)

Patent

CA 2484052

This invention provides methods and compositions to preserve bioactive materials in a matrix of powder particles. Methods provide high-pressure-gas spraying and/or near supercritical spraying of formulations followed by drying in a stream of conditioned gas to form stable powder particles containing bioactive materials.

L'invention concerne des procédés et des compositions de conservation de matières bioactives dans une matrice de particules de poudre. Ces procédés consistent en une pulvérisation par gaz haute pression et/ou une pulvérisation presque supercritique de formulations, suivies par un séchage dans un courant de gaz conditionné pour obtenir des particules de poudres stables contenant des matières bioactives.

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