Ginger extract preparation

A - Human Necessities – 61 – K

Patent

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Details

A61K 47/32 (2006.01) A61P 1/08 (2006.01) A61P 1/14 (2006.01) A61P 3/10 (2006.01) A61P 29/00 (2006.01) A61K 9/20 (2006.01) A61K 9/48 (2006.01)

Patent

CA 2468135

The invention relates to stable ginger extract preparations, characterized by having a content of a native ginger extract and of at least one stabilizing auxiliary agent selected from the group of proton-capturing substances, whereby the chemically stabilizing auxiliary agent preferably belongs to the family of polyvinylpyrrolidones and releases the included pungent agents in solution. Stable ginger extract preparations having large amounts of pharmaceutically relevant pungent agents or essential oils are additionally obtained by carefully carrying out method steps, which are relevant to the production, at a temperature of no greater than 45 ~C. The inventive preparations remain analytically stable over a long period of time of up to 18 months and longer. The invention also relates to solid galenic dosage forms such as capsules, tablets and dragees all of which containing the stable ginger extract preparations.

L'invention concerne des préparations stables à base d'extrait de gingembre, caractérisées en ce qu'elles contiennent un extrait de gingembre natif et au moins un auxiliaire à effet stabilisant du groupe des substances captant les protons. Ledit auxiliaire à effet stabilisant chimique appartient de préférence à la lignée des pyrrolidones de polyvinyle et libère à nouveau les substances âcres en solution. L'invention permet en outre d'obtenir des préparations stables à base d'extrait de gingembre à fortes teneurs en substances âcres et en huiles éthériques, du fait que les étapes marquantes du procédé sont effectuées de manière non altérante, à une température maximale de 45 ·C. Les préparations selon l'invention restent stables de manière plus analytique pendant une longue période allant jusqu'à 18 mois. L'invention concerne par ailleurs des formes galéniques solides contenant lesdites préparations stables à base d'extrait de gingembre, telles que des gélules, des comprimés et des dragées.

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