Process for preparing beads as food or tobacco additive

Details Process for preparing beads as food or tobacco additive Process for preparing beads as food or tobacco additive

A - Human Necessities

23

L

A23L 1/22 (2006.01) A24B 15/28 (2006.01) B01J 13/06 (2006.01)

Patent

CA 2266518

Beads as food or tobacco additive containing at least one active ingredient which is slowly released are prepared by a process comprising the steps of forming a system consisting of a solution or dispersion or emulsion of a liquid active ingredient and/or of a solid active ingredient in an aqueous solution of an acid polysaccharide in the form of an alkali metal salt, an emulsifier and, optionally, one or more other water soluble or water dispersible substances; forming of discrete droplets of said system; converting said droplets to water-insoluble gel beads by introducing said droplets in an aqueous or alcoholic solution containing multivalent cations, thereby building a suspension; optionally, isolating said gel beads from said suspension and further, optionally, drying the isolated beads. The active ingredient is at least one compound of the group consisting of flavors, fragrances, vitamins and/or coloring materials.

On prépare des granulés en tant qu'additif destiné aux aliments ou au tabac et contenant au moins un principe actif à libération progressive, selon un procédé comprenant les étapes consistant à former un système, lequel comporte une solution, dispersion ou émulsion d'un principe actif liquide et/ou d'un principe actif solide dans une solution aqueuse d'un polysaccharide sous la forme d'un sel de métal alcalin, un émulsifiant et, le cas échéant, au moins une substance hydrosoluble ou dispersable dans l'eau, à former des gouttelettes distinctes de ce système, à convertir ces gouttelettes en granulés gélifiés et insolubles dans l'eau, en introduisant ces gouttelettes dans une solution aqueuse ou alcoolique contenant des cations polyvalents, afin d'obtenir ainsi une suspension, le cas échéant à isoler de cette suspension les granulés gélifiés et, éventuellement, à sécher ces granulés isolés. Le principe actif comprend au moins un composé du groupe constitué par des saveurs, des arômes, des vitamines et/ou des colorants.

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