A method of producing a processed kava product having an...

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A61K 31/366 (2006.01) A61K 9/70 (2006.01) C07D 309/32 (2006.01) C07D 309/38 (2006.01) C07D 309/40 (2006.01) C07D 407/06 (2006.01)

Patent

CA 2462661

A method of producing a processed kava product involves using an extraction solvent, such as liquid CO2, to preferentially extract different kavalactones from the source material at different rates. By controlling the extraction parameters and stopping the extraction before all of the kavalactones have been extracted or allowing the extracted kavalactones to be preferentially precipitated in one or more collection environments, a processed kava product can be produced that has a kavalactone distribution profile that can differ substantially from that of the source material. As a result, roots from a less desirable kava cultivar can be used to produce a processed kava product which bas a kavalactone distribution profile that is similar to that of a highly desired cultivar. The kava paste can be further processed to produce a dry flowable powder suitable for use in, e.g., a tableting formula. A rapid dissolve tablet formulation for use in the delivery of kavalactones is also disclosed.

L'invention concerne un procédé d'obtention d'un produit de kava traité, qui consiste à utiliser un solvant d'extraction, de type CO¿2 ?liquide, pour extraire de préférence des kavalactones différentes d'un matériau source, à des vitesses différentes. La modulation des paramètres d'extraction, l'interruption de l'extraction avant que toutes les kavalactones aient été extraites, ou la précipitation des kavalactones extraites, de préférence dans un ou plusieurs environnements de collecte, permettent d'obtenir un produit de kava traité présentant un profil de répartition de kavalactone qui peut différer sensiblement de celui du matériau source. Ainsi, des racines d'un cultivar de kava moins recherché peuvent être utilisées de manière à obtenir un produit de kava traité qui présente un profil de répartition de kavalactone identique à celui du cultivar hautement recherché. La pâte de kava peut en outre être traitée afin d'obtenir une poudre sèche fluide propre à être utilisée, par exemple, dans une formule de fabrication de comprimés. L'invention concerne également une formulation de comprimé à dissolution rapide destinée à l'administration des kavalactones.

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